640858752

素因数分解:

$2^7\times 3^2\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1$

素因数の和:148

約数の個数: 288

約数和(自身を含む): 2061240480

約数和(自身を除く): 1420381728

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 23, 24, 32, 36, 38, 46, 48, 57, 64, 67, 69, 72, 76, 92, 96, 114, 128, 134, 138, 144, 152, 171, 184, 192, 201, 207, 228, 268, 276, 288, 304, 342, 361, 368, 384, 402, 414, 437, 456, 536, 552, 576, 603, 608, 684, 722, 736, 804, 828, 874, 912, 1072, 1083, 1104, 1152, 1206, 1216, 1273, 1311, 1368, 1444, 1472, 1541, 1608, 1656, 1748, 1824, 2144, 2166, 2208, 2412, 2432, 2546, 2622, 2736, 2888, 2944, 3082, 3216, 3249, 3312, 3496, 3648, 3819, 3933, 4288, 4332, 4416, 4623, 4824, 5092, 5244, 5472, 5776, 6164, 6432, 6498, 6624, 6992, 7296, 7638, 7866, 8303, 8576, 8664, 8832, 9246, 9648, 10184, 10488, 10944, 11457, 11552, 12328, 12864, 12996, 13248, 13869, 13984, 15276, 15732, 16606, 17328, 18492, 19296, 20368, 20976, 21888, 22914, 23104, 24187, 24656, 24909, 25728, 25992, 26496, 27738, 27968, 29279, 30552, 31464, 33212, 34656, 36984, 38592, 40736, 41952, 45828, 46208, 48374, 49312, 49818, 51984, 55476, 55936, 58558, 61104, 62928, 66424, 69312, 72561, 73968, 74727, 77184, 81472, 83904, 87837, 91656, 96748, 98624, 99636, 103968, 110952, 117116, 122208, 125856, 132848, 138624, 145122, 147936, 149454, 162944, 167808, 175674, 183312, 193496, 197248, 199272, 207936, 217683, 221904, 234232, 244416, 251712, 263511, 265696, 290244, 295872, 298908, 351348, 366624, 386992, 398544, 415872, 435366, 443808, 468464, 488832, 503424, 527022, 531392, 556301, 580488, 591744, 597816, 702696, 733248, 773984, 797088, 870732, 887616, 936928, 1054044, 1062784, 1112602, 1160976, 1195632, 1405392, 1466496, 1547968, 1594176, 1668903, 1741464, 1775232, 1873856, 2108088, 2225204, 2321952, 2391264, 2810784, 3095936, 3188352, 3337806, 3482928, 3747712, 4216176, 4450408, 4643904, 4782528, 5006709, 5621568, 6675612, 6965856, 8432352, 8900816, 9287808, 9565056, 10013418, 11243136, 13351224, 13931712, 16864704, 17801632, 20026836, 26702448, 27863424, 33729408, 35603264, 40053672, 53404896, 71206528, 80107344, 106809792, 160214688, 213619584, 320429376, 640858752]

約数ペア:

[(1, 640858752), (2, 320429376), (3, 213619584), (4, 160214688), (6, 106809792), (8, 80107344), (9, 71206528), (12, 53404896), (16, 40053672), (18, 35603264), (19, 33729408), (23, 27863424), (24, 26702448), (32, 20026836), (36, 17801632), (38, 16864704), (46, 13931712), (48, 13351224), (57, 11243136), (64, 10013418), (67, 9565056), (69, 9287808), (72, 8900816), (76, 8432352), (92, 6965856), (96, 6675612), (114, 5621568), (128, 5006709), (134, 4782528), (138, 4643904), (144, 4450408), (152, 4216176), (171, 3747712), (184, 3482928), (192, 3337806), (201, 3188352), (207, 3095936), (228, 2810784), (268, 2391264), (276, 2321952), (288, 2225204), (304, 2108088), (342, 1873856), (361, 1775232), (368, 1741464), (384, 1668903), (402, 1594176), (414, 1547968), (437, 1466496), (456, 1405392), (536, 1195632), (552, 1160976), (576, 1112602), (603, 1062784), (608, 1054044), (684, 936928), (722, 887616), (736, 870732), (804, 797088), (828, 773984), (874, 733248), (912, 702696), (1072, 597816), (1083, 591744), (1104, 580488), (1152, 556301), (1206, 531392), (1216, 527022), (1273, 503424), (1311, 488832), (1368, 468464), (1444, 443808), (1472, 435366), (1541, 415872), (1608, 398544), (1656, 386992), (1748, 366624), (1824, 351348), (2144, 298908), (2166, 295872), (2208, 290244), (2412, 265696), (2432, 263511), (2546, 251712), (2622, 244416), (2736, 234232), (2888, 221904), (2944, 217683), (3082, 207936), (3216, 199272), (3249, 197248), (3312, 193496), (3496, 183312), (3648, 175674), (3819, 167808), (3933, 162944), (4288, 149454), (4332, 147936), (4416, 145122), (4623, 138624), (4824, 132848), (5092, 125856), (5244, 122208), (5472, 117116), (5776, 110952), (6164, 103968), (6432, 99636), (6498, 98624), (6624, 96748), (6992, 91656), (7296, 87837), (7638, 83904), (7866, 81472), (8303, 77184), (8576, 74727), (8664, 73968), (8832, 72561), (9246, 69312), (9648, 66424), (10184, 62928), (10488, 61104), (10944, 58558), (11457, 55936), (11552, 55476), (12328, 51984), (12864, 49818), (12996, 49312), (13248, 48374), (13869, 46208), (13984, 45828), (15276, 41952), (15732, 40736), (16606, 38592), (17328, 36984), (18492, 34656), (19296, 33212), (20368, 31464), (20976, 30552), (21888, 29279), (22914, 27968), (23104, 27738), (24187, 26496), (24656, 25992), (24909, 25728)]