77571660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{691}}^1\times {\mathrm{1871}}^1$

素因数の和:2574

約数の個数: 48

約数和(自身を含む): 217631232

約数和(自身を除く): 140059572

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 691, 1382, 1871, 2073, 2764, 3455, 3742, 4146, 5613, 6910, 7484, 8292, 9355, 10365, 11226, 13820, 18710, 20730, 22452, 28065, 37420, 41460, 56130, 112260, 1292861, 2585722, 3878583, 5171444, 6464305, 7757166, 12928610, 15514332, 19392915, 25857220, 38785830, 77571660]

約数ペア:

[(1, 77571660), (2, 38785830), (3, 25857220), (4, 19392915), (5, 15514332), (6, 12928610), (10, 7757166), (12, 6464305), (15, 5171444), (20, 3878583), (30, 2585722), (60, 1292861), (691, 112260), (1382, 56130), (1871, 41460), (2073, 37420), (2764, 28065), (3455, 22452), (3742, 20730), (4146, 18710), (5613, 13820), (6910, 11226), (7484, 10365), (8292, 9355)]