321050640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{227}}^1$

素因数の和:397

約数の個数: 160

約数和(自身を含む): 1025934336

約数和(自身を除く): 704883696

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 71, 80, 83, 120, 142, 166, 213, 227, 240, 249, 284, 332, 355, 415, 426, 454, 498, 568, 664, 681, 710, 830, 852, 908, 996, 1065, 1135, 1136, 1245, 1328, 1362, 1420, 1660, 1704, 1816, 1992, 2130, 2270, 2490, 2724, 2840, 3320, 3405, 3408, 3632, 3984, 4260, 4540, 4980, 5448, 5680, 5893, 6640, 6810, 8520, 9080, 9960, 10896, 11786, 13620, 16117, 17040, 17679, 18160, 18841, 19920, 23572, 27240, 29465, 32234, 35358, 37682, 47144, 48351, 54480, 56523, 58930, 64468, 70716, 75364, 80585, 88395, 94205, 94288, 96702, 113046, 117860, 128936, 141432, 150728, 161170, 176790, 188410, 193404, 226092, 235720, 241755, 257872, 282615, 282864, 301456, 322340, 353580, 376820, 386808, 452184, 471440, 483510, 565230, 644680, 707160, 753640, 773616, 904368, 967020, 1130460, 1289360, 1337711, 1414320, 1507280, 1934040, 2260920, 2675422, 3868080, 4013133, 4521840, 5350844, 6688555, 8026266, 10701688, 13377110, 16052532, 20065665, 21403376, 26754220, 32105064, 40131330, 53508440, 64210128, 80262660, 107016880, 160525320, 321050640]

約数ペア:

[(1, 321050640), (2, 160525320), (3, 107016880), (4, 80262660), (5, 64210128), (6, 53508440), (8, 40131330), (10, 32105064), (12, 26754220), (15, 21403376), (16, 20065665), (20, 16052532), (24, 13377110), (30, 10701688), (40, 8026266), (48, 6688555), (60, 5350844), (71, 4521840), (80, 4013133), (83, 3868080), (120, 2675422), (142, 2260920), (166, 1934040), (213, 1507280), (227, 1414320), (240, 1337711), (249, 1289360), (284, 1130460), (332, 967020), (355, 904368), (415, 773616), (426, 753640), (454, 707160), (498, 644680), (568, 565230), (664, 483510), (681, 471440), (710, 452184), (830, 386808), (852, 376820), (908, 353580), (996, 322340), (1065, 301456), (1135, 282864), (1136, 282615), (1245, 257872), (1328, 241755), (1362, 235720), (1420, 226092), (1660, 193404), (1704, 188410), (1816, 176790), (1992, 161170), (2130, 150728), (2270, 141432), (2490, 128936), (2724, 117860), (2840, 113046), (3320, 96702), (3405, 94288), (3408, 94205), (3632, 88395), (3984, 80585), (4260, 75364), (4540, 70716), (4980, 64468), (5448, 58930), (5680, 56523), (5893, 54480), (6640, 48351), (6810, 47144), (8520, 37682), (9080, 35358), (9960, 32234), (10896, 29465), (11786, 27240), (13620, 23572), (16117, 19920), (17040, 18841), (17679, 18160)]