257712120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{715867}}^1$

素因数の和:715884

約数の個数: 48

約数和(自身を含む): 837565560

約数和(自身を除く): 579853440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 715867, 1431734, 2147601, 2863468, 3579335, 4295202, 5726936, 6442803, 7158670, 8590404, 10738005, 12885606, 14317340, 17180808, 21476010, 25771212, 28634680, 32214015, 42952020, 51542424, 64428030, 85904040, 128856060, 257712120]

約数ペア:

[(1, 257712120), (2, 128856060), (3, 85904040), (4, 64428030), (5, 51542424), (6, 42952020), (8, 32214015), (9, 28634680), (10, 25771212), (12, 21476010), (15, 17180808), (18, 14317340), (20, 12885606), (24, 10738005), (30, 8590404), (36, 7158670), (40, 6442803), (45, 5726936), (60, 4295202), (72, 3579335), (90, 2863468), (120, 2147601), (180, 1431734), (360, 715867)]