78597440

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{181}}^1$

素因数の和:280

約数の個数: 112

約数和(自身を含む): 199704960

約数和(自身を除く): 121107520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 59, 64, 80, 92, 115, 118, 160, 181, 184, 230, 236, 295, 320, 362, 368, 460, 472, 590, 724, 736, 905, 920, 944, 1180, 1357, 1448, 1472, 1810, 1840, 1888, 2360, 2714, 2896, 3620, 3680, 3776, 4163, 4720, 5428, 5792, 6785, 7240, 7360, 8326, 9440, 10679, 10856, 11584, 13570, 14480, 16652, 18880, 20815, 21358, 21712, 27140, 28960, 33304, 41630, 42716, 43424, 53395, 54280, 57920, 66608, 83260, 85432, 86848, 106790, 108560, 133216, 166520, 170864, 213580, 217120, 245617, 266432, 333040, 341728, 427160, 434240, 491234, 666080, 683456, 854320, 982468, 1228085, 1332160, 1708640, 1964936, 2456170, 3417280, 3929872, 4912340, 7859744, 9824680, 15719488, 19649360, 39298720, 78597440]

約数ペア:

[(1, 78597440), (2, 39298720), (4, 19649360), (5, 15719488), (8, 9824680), (10, 7859744), (16, 4912340), (20, 3929872), (23, 3417280), (32, 2456170), (40, 1964936), (46, 1708640), (59, 1332160), (64, 1228085), (80, 982468), (92, 854320), (115, 683456), (118, 666080), (160, 491234), (181, 434240), (184, 427160), (230, 341728), (236, 333040), (295, 266432), (320, 245617), (362, 217120), (368, 213580), (460, 170864), (472, 166520), (590, 133216), (724, 108560), (736, 106790), (905, 86848), (920, 85432), (944, 83260), (1180, 66608), (1357, 57920), (1448, 54280), (1472, 53395), (1810, 43424), (1840, 42716), (1888, 41630), (2360, 33304), (2714, 28960), (2896, 27140), (3620, 21712), (3680, 21358), (3776, 20815), (4163, 18880), (4720, 16652), (5428, 14480), (5792, 13570), (6785, 11584), (7240, 10856), (7360, 10679), (8326, 9440)]