61651020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{691}}^1\times {\mathrm{1487}}^1$

素因数の和:2190

約数の個数: 48

約数和(自身を含む): 172988928

約数和(自身を除く): 111337908

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 691, 1382, 1487, 2073, 2764, 2974, 3455, 4146, 4461, 5948, 6910, 7435, 8292, 8922, 10365, 13820, 14870, 17844, 20730, 22305, 29740, 41460, 44610, 89220, 1027517, 2055034, 3082551, 4110068, 5137585, 6165102, 10275170, 12330204, 15412755, 20550340, 30825510, 61651020]

約数ペア:

[(1, 61651020), (2, 30825510), (3, 20550340), (4, 15412755), (5, 12330204), (6, 10275170), (10, 6165102), (12, 5137585), (15, 4110068), (20, 3082551), (30, 2055034), (60, 1027517), (691, 89220), (1382, 44610), (1487, 41460), (2073, 29740), (2764, 22305), (2974, 20730), (3455, 17844), (4146, 14870), (4461, 13820), (5948, 10365), (6910, 8922), (7435, 8292)]