390788880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{7717}}^1$

素因数の和:7944

約数の個数: 80

約数和(自身を含む): 1217344704

約数和(自身を除く): 826555824

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 211, 240, 422, 633, 844, 1055, 1266, 1688, 2110, 2532, 3165, 3376, 4220, 5064, 6330, 7717, 8440, 10128, 12660, 15434, 16880, 23151, 25320, 30868, 38585, 46302, 50640, 61736, 77170, 92604, 115755, 123472, 154340, 185208, 231510, 308680, 370416, 463020, 617360, 926040, 1628287, 1852080, 3256574, 4884861, 6513148, 8141435, 9769722, 13026296, 16282870, 19539444, 24424305, 26052592, 32565740, 39078888, 48848610, 65131480, 78157776, 97697220, 130262960, 195394440, 390788880]

約数ペア:

[(1, 390788880), (2, 195394440), (3, 130262960), (4, 97697220), (5, 78157776), (6, 65131480), (8, 48848610), (10, 39078888), (12, 32565740), (15, 26052592), (16, 24424305), (20, 19539444), (24, 16282870), (30, 13026296), (40, 9769722), (48, 8141435), (60, 6513148), (80, 4884861), (120, 3256574), (211, 1852080), (240, 1628287), (422, 926040), (633, 617360), (844, 463020), (1055, 370416), (1266, 308680), (1688, 231510), (2110, 185208), (2532, 154340), (3165, 123472), (3376, 115755), (4220, 92604), (5064, 77170), (6330, 61736), (7717, 50640), (8440, 46302), (10128, 38585), (12660, 30868), (15434, 25320), (16880, 23151)]