54280720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:153

約数の個数: 160

約数和(自身を含む): 148740480

約数和(自身を除く): 94459760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 41, 52, 65, 67, 76, 80, 82, 95, 104, 130, 134, 152, 164, 190, 205, 208, 247, 260, 268, 304, 328, 335, 380, 410, 494, 520, 533, 536, 656, 670, 760, 779, 820, 871, 988, 1040, 1066, 1072, 1235, 1273, 1340, 1520, 1558, 1640, 1742, 1976, 2132, 2470, 2546, 2665, 2680, 2747, 3116, 3280, 3484, 3895, 3952, 4264, 4355, 4940, 5092, 5330, 5360, 5494, 6232, 6365, 6968, 7790, 8528, 8710, 9880, 10127, 10184, 10660, 10988, 12464, 12730, 13735, 13936, 15580, 16549, 17420, 19760, 20254, 20368, 21320, 21976, 25460, 27470, 31160, 33098, 34840, 35711, 40508, 42640, 43952, 50635, 50920, 52193, 54940, 62320, 66196, 69680, 71422, 81016, 82745, 101270, 101840, 104386, 109880, 132392, 142844, 162032, 165490, 178555, 202540, 208772, 219760, 260965, 264784, 285688, 330980, 357110, 405080, 417544, 521930, 571376, 661960, 678509, 714220, 810160, 835088, 1043860, 1323920, 1357018, 1428440, 2087720, 2714036, 2856880, 3392545, 4175440, 5428072, 6785090, 10856144, 13570180, 27140360, 54280720]

約数ペア:

[(1, 54280720), (2, 27140360), (4, 13570180), (5, 10856144), (8, 6785090), (10, 5428072), (13, 4175440), (16, 3392545), (19, 2856880), (20, 2714036), (26, 2087720), (38, 1428440), (40, 1357018), (41, 1323920), (52, 1043860), (65, 835088), (67, 810160), (76, 714220), (80, 678509), (82, 661960), (95, 571376), (104, 521930), (130, 417544), (134, 405080), (152, 357110), (164, 330980), (190, 285688), (205, 264784), (208, 260965), (247, 219760), (260, 208772), (268, 202540), (304, 178555), (328, 165490), (335, 162032), (380, 142844), (410, 132392), (494, 109880), (520, 104386), (533, 101840), (536, 101270), (656, 82745), (670, 81016), (760, 71422), (779, 69680), (820, 66196), (871, 62320), (988, 54940), (1040, 52193), (1066, 50920), (1072, 50635), (1235, 43952), (1273, 42640), (1340, 40508), (1520, 35711), (1558, 34840), (1640, 33098), (1742, 31160), (1976, 27470), (2132, 25460), (2470, 21976), (2546, 21320), (2665, 20368), (2680, 20254), (2747, 19760), (3116, 17420), (3280, 16549), (3484, 15580), (3895, 13936), (3952, 13735), (4264, 12730), (4355, 12464), (4940, 10988), (5092, 10660), (5330, 10184), (5360, 10127), (5494, 9880), (6232, 8710), (6365, 8528), (6968, 7790)]