640523520

素因数分解:

$2^8\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1$

素因数の和:107

約数の個数: 648

約数和(自身を含む): 2800901376

約数和(自身を除く): 2160377856

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 26, 28, 30, 32, 35, 36, 39, 40, 42, 45, 47, 48, 52, 56, 60, 63, 64, 65, 70, 72, 78, 80, 84, 90, 91, 94, 96, 104, 105, 112, 117, 120, 126, 128, 130, 140, 141, 144, 156, 160, 168, 169, 180, 182, 188, 192, 195, 208, 210, 224, 234, 235, 240, 252, 256, 260, 273, 280, 282, 288, 312, 315, 320, 329, 336, 338, 360, 364, 376, 384, 390, 416, 420, 423, 448, 455, 468, 470, 480, 504, 507, 520, 546, 560, 564, 576, 585, 611, 624, 630, 640, 658, 672, 676, 705, 720, 728, 752, 768, 780, 819, 832, 840, 845, 846, 896, 910, 936, 940, 960, 987, 1008, 1014, 1040, 1092, 1120, 1128, 1152, 1170, 1183, 1222, 1248, 1260, 1280, 1316, 1344, 1352, 1365, 1410, 1440, 1456, 1504, 1521, 1560, 1638, 1645, 1664, 1680, 1690, 1692, 1792, 1820, 1833, 1872, 1880, 1920, 1974, 2016, 2028, 2080, 2115, 2184, 2240, 2256, 2304, 2340, 2366, 2444, 2496, 2520, 2535, 2632, 2688, 2704, 2730, 2820, 2880, 2912, 2961, 3008, 3042, 3055, 3120, 3276, 3290, 3328, 3360, 3380, 3384, 3549, 3640, 3666, 3744, 3760, 3840, 3948, 4032, 4056, 4095, 4160, 4230, 4277, 4368, 4480, 4512, 4680, 4732, 4888, 4935, 4992, 5040, 5070, 5264, 5376, 5408, 5460, 5499, 5640, 5760, 5824, 5915, 5922, 6016, 6084, 6110, 6240, 6552, 6580, 6720, 6760, 6768, 7098, 7280, 7332, 7488, 7520, 7605, 7896, 7943, 8064, 8112, 8190, 8320, 8460, 8554, 8736, 8960, 9024, 9165, 9360, 9464, 9776, 9870, 9984, 10080, 10140, 10528, 10647, 10816, 10920, 10998, 11280, 11520, 11648, 11830, 11844, 12032, 12168, 12220, 12480, 12831, 13104, 13160, 13440, 13520, 13536, 14196, 14560, 14664, 14805, 14976, 15040, 15210, 15792, 15886, 16128, 16224, 16380, 16640, 16920, 17108, 17472, 17745, 18048, 18330, 18720, 18928, 19552, 19740, 20160, 20280, 21056, 21294, 21385, 21632, 21840, 21996, 22560, 23296, 23660, 23688, 23829, 24336, 24440, 24960, 25662, 26208, 26320, 26880, 27040, 27072, 27495, 28392, 29120, 29328, 29610, 29952, 30080, 30420, 31584, 31772, 32448, 32760, 33840, 34216, 34944, 35490, 36096, 36660, 37440, 37856, 38493, 39104, 39480, 39715, 40320, 40560, 42112, 42588, 42770, 43264, 43680, 43992, 45120, 47320, 47376, 47658, 48672, 48880, 49920, 51324, 52416, 52640, 53235, 54080, 54144, 54990, 55601, 56784, 58240, 58656, 59220, 60160, 60840, 63168, 63544, 64155, 64896, 65520, 67680, 68432, 69888, 70980, 71487, 73320, 74880, 75712, 76986, 78208, 78960, 79430, 80640, 81120, 84224, 85176, 85540, 87360, 87984, 90240, 94640, 94752, 95316, 97344, 97760, 102648, 104832, 105280, 106470, 108160, 108288, 109980, 111202, 113568, 116480, 117312, 118440, 119145, 121680, 126336, 127088, 128310, 129792, 131040, 135360, 136864, 141960, 142974, 146640, 149760, 151424, 153972, 156416, 157920, 158860, 162240, 166803, 170352, 171080, 174720, 175968, 180480, 189280, 189504, 190632, 192465, 194688, 195520, 205296, 209664, 210560, 212940, 216320, 219960, 222404, 227136, 234624, 236880, 238290, 243360, 252672, 254176, 256620, 262080, 270720, 273728, 278005, 283920, 285948, 293280, 302848, 307944, 315840, 317720, 324480, 333606, 340704, 342160, 349440, 351936, 357435, 378560, 379008, 381264, 384930, 389376, 391040, 410592, 421120, 425880, 439920, 444808, 454272, 469248, 473760, 476580, 486720, 500409, 508352, 513240, 524160, 541440, 547456, 556010, 567840, 571896, 586560, 615888, 631680, 635440, 648960, 667212, 681408, 684320, 703872, 714870, 757120, 758016, 762528, 769860, 782080, 821184, 834015, 851760, 879840, 889616, 908544, 947520, 953160, 973440, 1000818, 1016704, 1026480, 1048320, 1094912, 1112020, 1135680, 1143792, 1173120, 1231776, 1263360, 1270880, 1334424, 1362816, 1368640, 1407744, 1429740, 1514240, 1525056, 1539720, 1642368, 1668030, 1703520, 1759680, 1779232, 1895040, 1906320, 1946880, 2001636, 2033408, 2052960, 2224040, 2271360, 2287584, 2346240, 2463552, 2502045, 2541760, 2668848, 2725632, 2737280, 2859480, 3050112, 3079440, 3284736, 3336060, 3407040, 3519360, 3558464, 3790080, 3812640, 4003272, 4105920, 4448080, 4542720, 4575168, 4927104, 5004090, 5083520, 5337696, 5474560, 5718960, 6100224, 6158880, 6672120, 6814080, 7038720, 7116928, 7625280, 8006544, 8211840, 8896160, 9150336, 9854208, 10008180, 10167040, 10675392, 11437920, 12317760, 13344240, 13628160, 14233856, 15250560, 16013088, 16423680, 17792320, 18300672, 20016360, 21350784, 22875840, 24635520, 26688480, 30501120, 32026176, 35584640, 40032720, 42701568, 45751680, 49271040, 53376960, 64052352, 71169280, 80065440, 91503360, 106753920, 128104704, 160130880, 213507840, 320261760, 640523520]

約数ペア:

[(1, 640523520), (2, 320261760), (3, 213507840), (4, 160130880), (5, 128104704), (6, 106753920), (7, 91503360), (8, 80065440), (9, 71169280), (10, 64052352), (12, 53376960), (13, 49271040), (14, 45751680), (15, 42701568), (16, 40032720), (18, 35584640), (20, 32026176), (21, 30501120), (24, 26688480), (26, 24635520), (28, 22875840), (30, 21350784), (32, 20016360), (35, 18300672), (36, 17792320), (39, 16423680), (40, 16013088), (42, 15250560), (45, 14233856), (47, 13628160), (48, 13344240), (52, 12317760), (56, 11437920), (60, 10675392), (63, 10167040), (64, 10008180), (65, 9854208), (70, 9150336), (72, 8896160), (78, 8211840), (80, 8006544), (84, 7625280), (90, 7116928), (91, 7038720), (94, 6814080), (96, 6672120), (104, 6158880), (105, 6100224), (112, 5718960), (117, 5474560), (120, 5337696), (126, 5083520), (128, 5004090), (130, 4927104), (140, 4575168), (141, 4542720), (144, 4448080), (156, 4105920), (160, 4003272), (168, 3812640), (169, 3790080), (180, 3558464), (182, 3519360), (188, 3407040), (192, 3336060), (195, 3284736), (208, 3079440), (210, 3050112), (224, 2859480), (234, 2737280), (235, 2725632), (240, 2668848), (252, 2541760), (256, 2502045), (260, 2463552), (273, 2346240), (280, 2287584), (282, 2271360), (288, 2224040), (312, 2052960), (315, 2033408), (320, 2001636), (329, 1946880), (336, 1906320), (338, 1895040), (360, 1779232), (364, 1759680), (376, 1703520), (384, 1668030), (390, 1642368), (416, 1539720), (420, 1525056), (423, 1514240), (448, 1429740), (455, 1407744), (468, 1368640), (470, 1362816), (480, 1334424), (504, 1270880), (507, 1263360), (520, 1231776), (546, 1173120), (560, 1143792), (564, 1135680), (576, 1112020), (585, 1094912), (611, 1048320), (624, 1026480), (630, 1016704), (640, 1000818), (658, 973440), (672, 953160), (676, 947520), (705, 908544), (720, 889616), (728, 879840), (752, 851760), (768, 834015), (780, 821184), (819, 782080), (832, 769860), (840, 762528), (845, 758016), (846, 757120), (896, 714870), (910, 703872), (936, 684320), (940, 681408), (960, 667212), (987, 648960), (1008, 635440), (1014, 631680), (1040, 615888), (1092, 586560), (1120, 571896), (1128, 567840), (1152, 556010), (1170, 547456), (1183, 541440), (1222, 524160), (1248, 513240), (1260, 508352), (1280, 500409), (1316, 486720), (1344, 476580), (1352, 473760), (1365, 469248), (1410, 454272), (1440, 444808), (1456, 439920), (1504, 425880), (1521, 421120), (1560, 410592), (1638, 391040), (1645, 389376), (1664, 384930), (1680, 381264), (1690, 379008), (1692, 378560), (1792, 357435), (1820, 351936), (1833, 349440), (1872, 342160), (1880, 340704), (1920, 333606), (1974, 324480), (2016, 317720), (2028, 315840), (2080, 307944), (2115, 302848), (2184, 293280), (2240, 285948), (2256, 283920), (2304, 278005), (2340, 273728), (2366, 270720), (2444, 262080), (2496, 256620), (2520, 254176), (2535, 252672), (2632, 243360), (2688, 238290), (2704, 236880), (2730, 234624), (2820, 227136), (2880, 222404), (2912, 219960), (2961, 216320), (3008, 212940), (3042, 210560), (3055, 209664), (3120, 205296), (3276, 195520), (3290, 194688), (3328, 192465), (3360, 190632), (3380, 189504), (3384, 189280), (3549, 180480), (3640, 175968), (3666, 174720), (3744, 171080), (3760, 170352), (3840, 166803), (3948, 162240), (4032, 158860), (4056, 157920), (4095, 156416), (4160, 153972), (4230, 151424), (4277, 149760), (4368, 146640), (4480, 142974), (4512, 141960), (4680, 136864), (4732, 135360), (4888, 131040), (4935, 129792), (4992, 128310), (5040, 127088), (5070, 126336), (5264, 121680), (5376, 119145), (5408, 118440), (5460, 117312), (5499, 116480), (5640, 113568), (5760, 111202), (5824, 109980), (5915, 108288), (5922, 108160), (6016, 106470), (6084, 105280), (6110, 104832), (6240, 102648), (6552, 97760), (6580, 97344), (6720, 95316), (6760, 94752), (6768, 94640), (7098, 90240), (7280, 87984), (7332, 87360), (7488, 85540), (7520, 85176), (7605, 84224), (7896, 81120), (7943, 80640), (8064, 79430), (8112, 78960), (8190, 78208), (8320, 76986), (8460, 75712), (8554, 74880), (8736, 73320), (8960, 71487), (9024, 70980), (9165, 69888), (9360, 68432), (9464, 67680), (9776, 65520), (9870, 64896), (9984, 64155), (10080, 63544), (10140, 63168), (10528, 60840), (10647, 60160), (10816, 59220), (10920, 58656), (10998, 58240), (11280, 56784), (11520, 55601), (11648, 54990), (11830, 54144), (11844, 54080), (12032, 53235), (12168, 52640), (12220, 52416), (12480, 51324), (12831, 49920), (13104, 48880), (13160, 48672), (13440, 47658), (13520, 47376), (13536, 47320), (14196, 45120), (14560, 43992), (14664, 43680), (14805, 43264), (14976, 42770), (15040, 42588), (15210, 42112), (15792, 40560), (15886, 40320), (16128, 39715), (16224, 39480), (16380, 39104), (16640, 38493), (16920, 37856), (17108, 37440), (17472, 36660), (17745, 36096), (18048, 35490), (18330, 34944), (18720, 34216), (18928, 33840), (19552, 32760), (19740, 32448), (20160, 31772), (20280, 31584), (21056, 30420), (21294, 30080), (21385, 29952), (21632, 29610), (21840, 29328), (21996, 29120), (22560, 28392), (23296, 27495), (23660, 27072), (23688, 27040), (23829, 26880), (24336, 26320), (24440, 26208), (24960, 25662)]