77892240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{491}}^1\times {\mathrm{661}}^1$

素因数の和:1168

約数の個数: 80

約数和(自身を含む): 242323776

約数和(自身を除く): 164431536

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 491, 661, 982, 1322, 1473, 1964, 1983, 2455, 2644, 2946, 3305, 3928, 3966, 4910, 5288, 5892, 6610, 7365, 7856, 7932, 9820, 9915, 10576, 11784, 13220, 14730, 15864, 19640, 19830, 23568, 26440, 29460, 31728, 39280, 39660, 52880, 58920, 79320, 117840, 158640, 324551, 649102, 973653, 1298204, 1622755, 1947306, 2596408, 3245510, 3894612, 4868265, 5192816, 6491020, 7789224, 9736530, 12982040, 15578448, 19473060, 25964080, 38946120, 77892240]

約数ペア:

[(1, 77892240), (2, 38946120), (3, 25964080), (4, 19473060), (5, 15578448), (6, 12982040), (8, 9736530), (10, 7789224), (12, 6491020), (15, 5192816), (16, 4868265), (20, 3894612), (24, 3245510), (30, 2596408), (40, 1947306), (48, 1622755), (60, 1298204), (80, 973653), (120, 649102), (240, 324551), (491, 158640), (661, 117840), (982, 79320), (1322, 58920), (1473, 52880), (1964, 39660), (1983, 39280), (2455, 31728), (2644, 29460), (2946, 26440), (3305, 23568), (3928, 19830), (3966, 19640), (4910, 15864), (5288, 14730), (5892, 13220), (6610, 11784), (7365, 10576), (7856, 9915), (7932, 9820)]