56654520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1579}}^1$

素因数の和:1629

約数の個数: 128

約数和(自身を含む): 191116800

約数和(自身を除く): 134462280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 23, 24, 26, 30, 39, 40, 46, 52, 60, 65, 69, 78, 92, 104, 115, 120, 130, 138, 156, 184, 195, 230, 260, 276, 299, 312, 345, 390, 460, 520, 552, 598, 690, 780, 897, 920, 1196, 1380, 1495, 1560, 1579, 1794, 2392, 2760, 2990, 3158, 3588, 4485, 4737, 5980, 6316, 7176, 7895, 8970, 9474, 11960, 12632, 15790, 17940, 18948, 20527, 23685, 31580, 35880, 36317, 37896, 41054, 47370, 61581, 63160, 72634, 82108, 94740, 102635, 108951, 123162, 145268, 164216, 181585, 189480, 205270, 217902, 246324, 290536, 307905, 363170, 410540, 435804, 472121, 492648, 544755, 615810, 726340, 821080, 871608, 944242, 1089510, 1231620, 1416363, 1452680, 1888484, 2179020, 2360605, 2463240, 2832726, 3776968, 4358040, 4721210, 5665452, 7081815, 9442420, 11330904, 14163630, 18884840, 28327260, 56654520]

約数ペア:

[(1, 56654520), (2, 28327260), (3, 18884840), (4, 14163630), (5, 11330904), (6, 9442420), (8, 7081815), (10, 5665452), (12, 4721210), (13, 4358040), (15, 3776968), (20, 2832726), (23, 2463240), (24, 2360605), (26, 2179020), (30, 1888484), (39, 1452680), (40, 1416363), (46, 1231620), (52, 1089510), (60, 944242), (65, 871608), (69, 821080), (78, 726340), (92, 615810), (104, 544755), (115, 492648), (120, 472121), (130, 435804), (138, 410540), (156, 363170), (184, 307905), (195, 290536), (230, 246324), (260, 217902), (276, 205270), (299, 189480), (312, 181585), (345, 164216), (390, 145268), (460, 123162), (520, 108951), (552, 102635), (598, 94740), (690, 82108), (780, 72634), (897, 63160), (920, 61581), (1196, 47370), (1380, 41054), (1495, 37896), (1560, 36317), (1579, 35880), (1794, 31580), (2392, 23685), (2760, 20527), (2990, 18948), (3158, 17940), (3588, 15790), (4485, 12632), (4737, 11960), (5980, 9474), (6316, 8970), (7176, 7895)]