257101920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{9397}}^1$

素因数の和:9437

約数の個数: 144

約数和(自身を含む): 923635440

約数和(自身を除く): 666533520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 96, 114, 120, 144, 152, 160, 171, 180, 190, 228, 240, 285, 288, 304, 342, 360, 380, 456, 480, 570, 608, 684, 720, 760, 855, 912, 1140, 1368, 1440, 1520, 1710, 1824, 2280, 2736, 3040, 3420, 4560, 5472, 6840, 9120, 9397, 13680, 18794, 27360, 28191, 37588, 46985, 56382, 75176, 84573, 93970, 112764, 140955, 150352, 169146, 178543, 187940, 225528, 281910, 300704, 338292, 357086, 375880, 422865, 451056, 535629, 563820, 676584, 714172, 751760, 845730, 892715, 902112, 1071258, 1127640, 1353168, 1428344, 1503520, 1606887, 1691460, 1785430, 2142516, 2255280, 2678145, 2706336, 2856688, 3213774, 3382920, 3570860, 4285032, 4510560, 5356290, 5713376, 6427548, 6765840, 7141720, 8034435, 8570064, 10712580, 12855096, 13531680, 14283440, 16068870, 17140128, 21425160, 25710192, 28566880, 32137740, 42850320, 51420384, 64275480, 85700640, 128550960, 257101920]

約数ペア:

[(1, 257101920), (2, 128550960), (3, 85700640), (4, 64275480), (5, 51420384), (6, 42850320), (8, 32137740), (9, 28566880), (10, 25710192), (12, 21425160), (15, 17140128), (16, 16068870), (18, 14283440), (19, 13531680), (20, 12855096), (24, 10712580), (30, 8570064), (32, 8034435), (36, 7141720), (38, 6765840), (40, 6427548), (45, 5713376), (48, 5356290), (57, 4510560), (60, 4285032), (72, 3570860), (76, 3382920), (80, 3213774), (90, 2856688), (95, 2706336), (96, 2678145), (114, 2255280), (120, 2142516), (144, 1785430), (152, 1691460), (160, 1606887), (171, 1503520), (180, 1428344), (190, 1353168), (228, 1127640), (240, 1071258), (285, 902112), (288, 892715), (304, 845730), (342, 751760), (360, 714172), (380, 676584), (456, 563820), (480, 535629), (570, 451056), (608, 422865), (684, 375880), (720, 357086), (760, 338292), (855, 300704), (912, 281910), (1140, 225528), (1368, 187940), (1440, 178543), (1520, 169146), (1710, 150352), (1824, 140955), (2280, 112764), (2736, 93970), (3040, 84573), (3420, 75176), (4560, 56382), (5472, 46985), (6840, 37588), (9120, 28191), (9397, 27360), (13680, 18794)]