20214383280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{409}}^1$

素因数の和:549

約数の個数: 640

約数和(自身を含む): 80901488640

約数和(自身を除く): 60687105360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 31, 35, 39, 40, 42, 48, 52, 56, 60, 62, 65, 70, 73, 78, 80, 84, 91, 93, 104, 105, 112, 120, 124, 130, 140, 146, 155, 156, 168, 182, 186, 195, 208, 210, 217, 219, 240, 248, 260, 273, 280, 292, 310, 312, 336, 364, 365, 372, 390, 403, 409, 420, 434, 438, 455, 465, 496, 511, 520, 546, 560, 584, 620, 624, 651, 728, 730, 744, 780, 806, 818, 840, 868, 876, 910, 930, 949, 1022, 1040, 1085, 1092, 1095, 1168, 1209, 1227, 1240, 1302, 1365, 1456, 1460, 1488, 1533, 1560, 1612, 1636, 1680, 1736, 1752, 1820, 1860, 1898, 2015, 2044, 2045, 2170, 2184, 2190, 2263, 2418, 2454, 2480, 2555, 2604, 2730, 2821, 2847, 2863, 2920, 3066, 3120, 3224, 3255, 3272, 3472, 3504, 3640, 3720, 3796, 4030, 4088, 4090, 4340, 4368, 4380, 4526, 4745, 4836, 4908, 5110, 5208, 5317, 5460, 5642, 5694, 5726, 5840, 6045, 6132, 6135, 6448, 6510, 6544, 6643, 6789, 7280, 7440, 7592, 7665, 8060, 8176, 8180, 8463, 8589, 8680, 8760, 9052, 9490, 9672, 9816, 10220, 10416, 10634, 10920, 11284, 11315, 11388, 11452, 12090, 12264, 12270, 12679, 13020, 13286, 13578, 14105, 14235, 14315, 15184, 15330, 15841, 15951, 16120, 16360, 16926, 17178, 17360, 17520, 18104, 18980, 19344, 19632, 19929, 20440, 21268, 21840, 22568, 22630, 22776, 22904, 24180, 24528, 24540, 25358, 26040, 26572, 26585, 27156, 28210, 28470, 28630, 29419, 29857, 30660, 31682, 31902, 32240, 32720, 33215, 33852, 33945, 34356, 36208, 37219, 37960, 38037, 39858, 40880, 42315, 42536, 42945, 45136, 45260, 45552, 45808, 47523, 48360, 49080, 50716, 52080, 53144, 53170, 54312, 56420, 56940, 57260, 58838, 59714, 61320, 63364, 63395, 63804, 66430, 67704, 67890, 68712, 74438, 75920, 76074, 79205, 79716, 79755, 84630, 85072, 85890, 88257, 88753, 89571, 90520, 95046, 96720, 98160, 99645, 101432, 106288, 106340, 108624, 111657, 112840, 113880, 114520, 117676, 119428, 122640, 126728, 126790, 127608, 132860, 135408, 135780, 137424, 147095, 148876, 149285, 152148, 158410, 159432, 159510, 164827, 169260, 171780, 176514, 177506, 179142, 181040, 186095, 190092, 190185, 199290, 202864, 205933, 208999, 212680, 223314, 225680, 227760, 229040, 235352, 237615, 238856, 253456, 253580, 255216, 265720, 266259, 271560, 294190, 297752, 298570, 304296, 316820, 318864, 319020, 329654, 338520, 343560, 353028, 355012, 358284, 372190, 380184, 380370, 388141, 398580, 411866, 417998, 425360, 441285, 443765, 446628, 447855, 470704, 475230, 477712, 494481, 507160, 531440, 532518, 543120, 558285, 588380, 595504, 597140, 608592, 617799, 626997, 633640, 638040, 659308, 677040, 687120, 706056, 710024, 716568, 744380, 760368, 760740, 776282, 797160, 823732, 824135, 835996, 882570, 887530, 893256, 895710, 925567, 950460, 988962, 1014320, 1029665, 1044995, 1065036, 1116570, 1153789, 1164423, 1176760, 1194280, 1235598, 1253994, 1267280, 1276080, 1318616, 1331295, 1412112, 1420048, 1433136, 1488760, 1521480, 1552564, 1594320, 1647464, 1648270, 1671992, 1765140, 1775060, 1786512, 1791420, 1851134, 1900920, 1940705, 1977924, 2059330, 2089990, 2130072, 2233140, 2307578, 2328846, 2353520, 2388560, 2471196, 2472405, 2507988, 2637232, 2662590, 2716987, 2776701, 2977520, 3042960, 3088995, 3105128, 3134985, 3294928, 3296540, 3343984, 3461367, 3530280, 3550120, 3582840, 3702268, 3801840, 3881410, 3955848, 4118660, 4179980, 4260144, 4466280, 4615156, 4627835, 4657692, 4942392, 4944810, 5015976, 5325180, 5433974, 5553402, 5768945, 5822115, 6177990, 6210256, 6269970, 6478969, 6593080, 6922734, 7060560, 7100240, 7165680, 7404536, 7762820, 7911696, 8150961, 8237320, 8359960, 8932560, 9230312, 9255670, 9315384, 9884784, 9889620, 10031952, 10650360, 10867948, 11106804, 11537890, 11644230, 12032371, 12355980, 12539940, 12957938, 13186160, 13584935, 13845468, 13883505, 14809072, 15525640, 16301922, 16474640, 16719920, 17306835, 18460624, 18511340, 18630768, 19436907, 19779240, 21300720, 21735896, 22213608, 23075780, 23288460, 24064742, 24711960, 25079880, 25915876, 27169870, 27690936, 27767010, 31051280, 32394845, 32603844, 34613670, 36097113, 37022680, 38873814, 39558480, 40754805, 43471792, 44427216, 46151560, 46576920, 48129484, 49423920, 50159760, 51831752, 54339740, 55381872, 55534020, 60161855, 64789690, 65207688, 69227340, 72194226, 74045360, 77747628, 81509610, 84226597, 92303120, 93153840, 96258968, 97184535, 103663504, 108679480, 111068040, 120323710, 129579380, 130415376, 138454680, 144388452, 155495256, 163019220, 168453194, 180485565, 192517936, 194369070, 217358960, 222136080, 240647420, 252679791, 259158760, 276909360, 288776904, 310990512, 326038440, 336906388, 360971130, 388738140, 421132985, 481294840, 505359582, 518317520, 577553808, 652076880, 673812776, 721942260, 777476280, 842265970, 962589680, 1010719164, 1263398955, 1347625552, 1443884520, 1554952560, 1684531940, 2021438328, 2526797910, 2887769040, 3369063880, 4042876656, 5053595820, 6738127760, 10107191640, 20214383280]

約数ペア:

[(1, 20214383280), (2, 10107191640), (3, 6738127760), (4, 5053595820), (5, 4042876656), (6, 3369063880), (7, 2887769040), (8, 2526797910), (10, 2021438328), (12, 1684531940), (13, 1554952560), (14, 1443884520), (15, 1347625552), (16, 1263398955), (20, 1010719164), (21, 962589680), (24, 842265970), (26, 777476280), (28, 721942260), (30, 673812776), (31, 652076880), (35, 577553808), (39, 518317520), (40, 505359582), (42, 481294840), (48, 421132985), (52, 388738140), (56, 360971130), (60, 336906388), (62, 326038440), (65, 310990512), (70, 288776904), (73, 276909360), (78, 259158760), (80, 252679791), (84, 240647420), (91, 222136080), (93, 217358960), (104, 194369070), (105, 192517936), (112, 180485565), (120, 168453194), (124, 163019220), (130, 155495256), (140, 144388452), (146, 138454680), (155, 130415376), (156, 129579380), (168, 120323710), (182, 111068040), (186, 108679480), (195, 103663504), (208, 97184535), (210, 96258968), (217, 93153840), (219, 92303120), (240, 84226597), (248, 81509610), (260, 77747628), (273, 74045360), (280, 72194226), (292, 69227340), (310, 65207688), (312, 64789690), (336, 60161855), (364, 55534020), (365, 55381872), (372, 54339740), (390, 51831752), (403, 50159760), (409, 49423920), (420, 48129484), (434, 46576920), (438, 46151560), (455, 44427216), (465, 43471792), (496, 40754805), (511, 39558480), (520, 38873814), (546, 37022680), (560, 36097113), (584, 34613670), (620, 32603844), (624, 32394845), (651, 31051280), (728, 27767010), (730, 27690936), (744, 27169870), (780, 25915876), (806, 25079880), (818, 24711960), (840, 24064742), (868, 23288460), (876, 23075780), (910, 22213608), (930, 21735896), (949, 21300720), (1022, 19779240), (1040, 19436907), (1085, 18630768), (1092, 18511340), (1095, 18460624), (1168, 17306835), (1209, 16719920), (1227, 16474640), (1240, 16301922), (1302, 15525640), (1365, 14809072), (1456, 13883505), (1460, 13845468), (1488, 13584935), (1533, 13186160), (1560, 12957938), (1612, 12539940), (1636, 12355980), (1680, 12032371), (1736, 11644230), (1752, 11537890), (1820, 11106804), (1860, 10867948), (1898, 10650360), (2015, 10031952), (2044, 9889620), (2045, 9884784), (2170, 9315384), (2184, 9255670), (2190, 9230312), (2263, 8932560), (2418, 8359960), (2454, 8237320), (2480, 8150961), (2555, 7911696), (2604, 7762820), (2730, 7404536), (2821, 7165680), (2847, 7100240), (2863, 7060560), (2920, 6922734), (3066, 6593080), (3120, 6478969), (3224, 6269970), (3255, 6210256), (3272, 6177990), (3472, 5822115), (3504, 5768945), (3640, 5553402), (3720, 5433974), (3796, 5325180), (4030, 5015976), (4088, 4944810), (4090, 4942392), (4340, 4657692), (4368, 4627835), (4380, 4615156), (4526, 4466280), (4745, 4260144), (4836, 4179980), (4908, 4118660), (5110, 3955848), (5208, 3881410), (5317, 3801840), (5460, 3702268), (5642, 3582840), (5694, 3550120), (5726, 3530280), (5840, 3461367), (6045, 3343984), (6132, 3296540), (6135, 3294928), (6448, 3134985), (6510, 3105128), (6544, 3088995), (6643, 3042960), (6789, 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(24528, 824135), (24540, 823732), (25358, 797160), (26040, 776282), (26572, 760740), (26585, 760368), (27156, 744380), (28210, 716568), (28470, 710024), (28630, 706056), (29419, 687120), (29857, 677040), (30660, 659308), (31682, 638040), (31902, 633640), (32240, 626997), (32720, 617799), (33215, 608592), (33852, 597140), (33945, 595504), (34356, 588380), (36208, 558285), (37219, 543120), (37960, 532518), (38037, 531440), (39858, 507160), (40880, 494481), (42315, 477712), (42536, 475230), (42945, 470704), (45136, 447855), (45260, 446628), (45552, 443765), (45808, 441285), (47523, 425360), (48360, 417998), (49080, 411866), (50716, 398580), (52080, 388141), (53144, 380370), (53170, 380184), (54312, 372190), (56420, 358284), (56940, 355012), (57260, 353028), (58838, 343560), (59714, 338520), (61320, 329654), (63364, 319020), (63395, 318864), (63804, 316820), (66430, 304296), (67704, 298570), (67890, 297752), (68712, 294190), (74438, 271560), (75920, 266259), (76074, 265720), (79205, 255216), (79716, 253580), (79755, 253456), (84630, 238856), (85072, 237615), (85890, 235352), (88257, 229040), (88753, 227760), (89571, 225680), (90520, 223314), (95046, 212680), (96720, 208999), (98160, 205933), (99645, 202864), (101432, 199290), (106288, 190185), (106340, 190092), (108624, 186095), (111657, 181040), (112840, 179142), (113880, 177506), (114520, 176514), (117676, 171780), (119428, 169260), (122640, 164827), (126728, 159510), (126790, 159432), (127608, 158410), (132860, 152148), (135408, 149285), (135780, 148876), (137424, 147095)]