20541286080

素因数分解:

$2^6\times 3^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:266

約数の個数: 1008

約数和(自身を含む): 88897236480

約数和(自身を除く): 68355950400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 28, 30, 32, 35, 36, 38, 40, 42, 45, 47, 48, 49, 56, 57, 60, 63, 64, 70, 72, 76, 80, 84, 90, 94, 95, 96, 98, 105, 112, 114, 120, 126, 133, 140, 141, 144, 147, 152, 160, 163, 168, 171, 180, 188, 190, 192, 196, 210, 224, 228, 235, 240, 245, 252, 266, 280, 282, 285, 288, 294, 304, 315, 320, 326, 329, 336, 342, 360, 376, 380, 392, 399, 420, 423, 441, 448, 456, 470, 480, 489, 490, 504, 532, 560, 564, 570, 576, 588, 608, 630, 652, 658, 665, 672, 684, 705, 720, 735, 752, 760, 784, 798, 815, 840, 846, 855, 882, 893, 912, 931, 940, 960, 978, 980, 987, 1008, 1064, 1120, 1128, 1140, 1141, 1176, 1197, 1216, 1260, 1304, 1316, 1330, 1344, 1368, 1410, 1440, 1467, 1470, 1504, 1520, 1568, 1596, 1630, 1645, 1680, 1692, 1710, 1764, 1786, 1824, 1862, 1880, 1956, 1960, 1974, 1995, 2016, 2115, 2128, 2205, 2240, 2256, 2280, 2282, 2303, 2352, 2394, 2445, 2520, 2608, 2632, 2660, 2679, 2736, 2793, 2820, 2880, 2934, 2940, 2961, 3008, 3040, 3097, 3136, 3192, 3260, 3290, 3360, 3384, 3420, 3423, 3528, 3572, 3648, 3724, 3760, 3912, 3920, 3948, 3990, 4032, 4230, 4256, 4410, 4465, 4512, 4560, 4564, 4606, 4655, 4704, 4788, 4890, 4935, 5040, 5216, 5264, 5320, 5358, 5472, 5586, 5640, 5705, 5868, 5880, 5922, 5985, 6080, 6194, 6251, 6384, 6520, 6580, 6720, 6768, 6840, 6846, 6909, 7056, 7144, 7335, 7448, 7520, 7661, 7824, 7840, 7896, 7980, 7987, 8037, 8379, 8460, 8512, 8820, 8930, 9024, 9120, 9128, 9212, 9291, 9310, 9408, 9576, 9780, 9870, 10080, 10269, 10432, 10528, 10640, 10716, 10944, 11172, 11280, 11410, 11515, 11736, 11760, 11844, 11970, 12388, 12502, 12768, 13040, 13160, 13395, 13536, 13680, 13692, 13818, 13965, 14112, 14288, 14670, 14805, 14896, 15040, 15322, 15485, 15648, 15680, 15792, 15960, 15974, 16074, 16758, 16920, 17115, 17640, 17860, 18240, 18256, 18424, 18582, 18620, 18753, 19152, 19560, 19740, 20160, 20538, 20727, 21056, 21280, 21432, 21679, 22344, 22560, 22820, 22983, 23030, 23472, 23520, 23688, 23940, 23961, 24776, 25004, 25536, 26080, 26320, 26790, 27072, 27360, 27384, 27636, 27873, 27930, 28224, 28576, 29340, 29610, 29792, 30644, 30970, 31255, 31296, 31584, 31920, 31948, 32148, 33516, 33840, 34230, 34545, 35280, 35720, 36512, 36848, 37164, 37240, 37506, 38304, 38305, 39120, 39480, 39935, 40185, 41076, 41454, 41895, 42560, 42864, 43358, 43757, 44688, 45120, 45640, 45966, 46060, 46455, 46944, 47040, 47376, 47880, 47922, 49552, 50008, 51345, 52160, 52640, 53580, 53627, 54720, 54768, 55272, 55746, 55860, 56259, 57152, 58680, 59220, 59584, 61288, 61940, 62510, 63168, 63840, 63896, 64296, 65037, 67032, 67680, 68460, 68949, 69090, 70560, 71440, 71883, 73024, 73696, 74328, 74480, 75012, 76608, 76610, 78240, 78960, 79870, 80370, 82152, 82908, 83790, 85728, 86716, 87514, 89376, 91280, 91932, 92120, 92910, 93765, 93888, 94752, 95760, 95844, 99104, 100016, 102690, 103635, 105280, 107160, 107254, 108395, 109536, 110544, 111492, 111720, 112518, 114915, 117360, 118440, 119805, 122576, 123880, 125020, 127680, 127792, 128592, 130074, 131271, 134064, 135360, 136920, 137898, 138180, 139365, 141120, 142880, 143766, 145559, 147392, 148656, 148960, 150024, 151753, 153220, 156480, 157920, 159740, 160740, 160881, 164304, 165816, 167580, 171456, 173432, 175028, 178752, 182560, 183864, 184240, 185820, 187530, 189504, 191520, 191688, 195111, 198208, 200032, 205380, 207270, 214320, 214508, 216790, 218785, 219072, 221088, 222984, 223440, 225036, 229830, 234720, 236880, 239610, 245152, 247760, 250040, 255584, 257184, 260148, 262542, 268128, 268135, 273840, 275796, 276360, 278730, 281295, 285760, 287532, 291118, 297312, 297920, 300048, 303506, 306440, 315840, 319480, 321480, 321762, 325185, 328608, 331632, 335160, 344745, 346864, 350056, 359415, 365120, 367728, 368480, 371640, 375060, 375389, 383040, 383376, 390222, 393813, 400064, 410760, 414540, 428640, 429016, 433580, 436677, 437570, 442176, 445968, 446880, 450072, 455259, 459660, 469440, 473760, 479220, 482643, 490304, 495520, 500080, 511168, 514368, 520296, 525084, 536256, 536270, 547680, 551592, 552720, 557460, 562590, 575064, 582236, 594624, 600096, 607012, 612880, 638960, 642960, 643524, 650370, 656355, 657216, 663264, 670320, 689490, 693728, 700112, 718830, 727795, 735456, 736960, 743280, 750120, 750778, 758765, 766752, 780444, 787626, 804405, 821520, 829080, 857280, 858032, 867160, 873354, 875140, 891936, 893760, 900144, 910518, 919320, 947520, 958440, 965286, 975555, 991040, 1000160, 1018913, 1040592, 1050168, 1072540, 1095360, 1103184, 1105440, 1114920, 1125180, 1126167, 1150128, 1164472, 1200192, 1214024, 1225760, 1277920, 1285920, 1287048, 1300740, 1310031, 1312710, 1326528, 1340640, 1365777, 1378980, 1387456, 1400224, 1437660, 1455590, 1470912, 1486560, 1500240, 1501556, 1517530, 1533504, 1560888, 1575252, 1608810, 1643040, 1658160, 1716064, 1734320, 1746708, 1750280, 1783872, 1800288, 1821036, 1838640, 1876945, 1916880, 1930572, 1951110, 1969065, 2000320, 2037826, 2081184, 2100336, 2145080, 2183385, 2206368, 2210880, 2229840, 2250360, 2252334, 2276295, 2300256, 2328944, 2413215, 2428048, 2451520, 2555840, 2571840, 2574096, 2601480, 2620062, 2625420, 2681280, 2731554, 2757960, 2800448, 2875320, 2911180, 2973120, 3000480, 3003112, 3035060, 3056739, 3121776, 3150504, 3217620, 3286080, 3316320, 3378501, 3432128, 3468640, 3493416, 3500560, 3600576, 3642072, 3677280, 3753890, 3833760, 3861144, 3902220, 3938130, 4075652, 4162368, 4200672, 4290160, 4366770, 4412736, 4459680, 4500720, 4504668, 4552590, 4600512, 4657888, 4826430, 4856096, 5094565, 5148192, 5202960, 5240124, 5250840, 5463108, 5515920, 5630835, 5750640, 5822360, 6000960, 6006224, 6070120, 6113478, 6243552, 6301008, 6435240, 6550155, 6632640, 6757002, 6828885, 6937280, 6986832, 7001120, 7132391, 7284144, 7354560, 7507780, 7667520, 7722288, 7804440, 7876260, 8151304, 8401344, 8580320, 8733540, 8919360, 9001440, 9009336, 9105180, 9170217, 9315776, 9652860, 9712192, 10189130, 10296384, 10405920, 10480248, 10501680, 10926216, 11031840, 11261670, 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約数ペア:

[(1, 20541286080), (2, 10270643040), (3, 6847095360), (4, 5135321520), (5, 4108257216), (6, 3423547680), (7, 2934469440), (8, 2567660760), (9, 2282365120), (10, 2054128608), (12, 1711773840), (14, 1467234720), (15, 1369419072), (16, 1283830380), (18, 1141182560), (19, 1081120320), (20, 1027064304), (21, 978156480), (24, 855886920), (28, 733617360), (30, 684709536), (32, 641915190), (35, 586893888), (36, 570591280), (38, 540560160), (40, 513532152), (42, 489078240), (45, 456473024), (47, 437048640), (48, 427943460), (49, 419209920), (56, 366808680), (57, 360373440), (60, 342354768), (63, 326052160), (64, 320957595), (70, 293446944), (72, 285295640), (76, 270280080), (80, 256766076), (84, 244539120), (90, 228236512), (94, 218524320), (95, 216224064), (96, 213971730), (98, 209604960), (105, 195631296), (112, 183404340), (114, 180186720), (120, 171177384), (126, 163026080), (133, 154445760), (140, 146723472), (141, 145682880), (144, 142647820), (147, 139736640), (152, 135140040), (160, 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(2115, 9712192), (2128, 9652860), (2205, 9315776), (2240, 9170217), (2256, 9105180), (2280, 9009336), (2282, 9001440), (2303, 8919360), (2352, 8733540), (2394, 8580320), (2445, 8401344), (2520, 8151304), (2608, 7876260), (2632, 7804440), (2660, 7722288), (2679, 7667520), (2736, 7507780), (2793, 7354560), (2820, 7284144), (2880, 7132391), (2934, 7001120), (2940, 6986832), (2961, 6937280), (3008, 6828885), (3040, 6757002), (3097, 6632640), (3136, 6550155), (3192, 6435240), (3260, 6301008), (3290, 6243552), (3360, 6113478), (3384, 6070120), (3420, 6006224), (3423, 6000960), (3528, 5822360), (3572, 5750640), (3648, 5630835), (3724, 5515920), (3760, 5463108), (3912, 5250840), (3920, 5240124), (3948, 5202960), (3990, 5148192), (4032, 5094565), (4230, 4856096), (4256, 4826430), (4410, 4657888), (4465, 4600512), (4512, 4552590), (4560, 4504668), (4564, 4500720), (4606, 4459680), (4655, 4412736), (4704, 4366770), (4788, 4290160), (4890, 4200672), (4935, 4162368), (5040, 4075652), (5216, 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(45966, 446880), (46060, 445968), (46455, 442176), (46944, 437570), (47040, 436677), (47376, 433580), (47880, 429016), (47922, 428640), (49552, 414540), (50008, 410760), (51345, 400064), (52160, 393813), (52640, 390222), (53580, 383376), (53627, 383040), (54720, 375389), (54768, 375060), (55272, 371640), (55746, 368480), (55860, 367728), (56259, 365120), (57152, 359415), (58680, 350056), (59220, 346864), (59584, 344745), (61288, 335160), (61940, 331632), (62510, 328608), (63168, 325185), (63840, 321762), (63896, 321480), (64296, 319480), (65037, 315840), (67032, 306440), (67680, 303506), (68460, 300048), (68949, 297920), (69090, 297312), (70560, 291118), (71440, 287532), (71883, 285760), (73024, 281295), (73696, 278730), (74328, 276360), (74480, 275796), (75012, 273840), (76608, 268135), (76610, 268128), (78240, 262542), (78960, 260148), (79870, 257184), (80370, 255584), (82152, 250040), (82908, 247760), (83790, 245152), (85728, 239610), (86716, 236880), (87514, 234720), (89376, 229830), (91280, 225036), (91932, 223440), (92120, 222984), (92910, 221088), (93765, 219072), (93888, 218785), (94752, 216790), (95760, 214508), (95844, 214320), (99104, 207270), (100016, 205380), (102690, 200032), (103635, 198208), (105280, 195111), (107160, 191688), (107254, 191520), (108395, 189504), (109536, 187530), (110544, 185820), (111492, 184240), (111720, 183864), (112518, 182560), (114915, 178752), (117360, 175028), (118440, 173432), (119805, 171456), (122576, 167580), (123880, 165816), (125020, 164304), (127680, 160881), (127792, 160740), (128592, 159740), (130074, 157920), (131271, 156480), (134064, 153220), (135360, 151753), (136920, 150024), (137898, 148960), (138180, 148656), (139365, 147392), (141120, 145559), (142880, 143766)]