30431640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{367}}^1\times {\mathrm{691}}^1$

素因数の和:1072

約数の個数: 64

約数和(自身を含む): 91676160

約数和(自身を除く): 61244520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 367, 691, 734, 1101, 1382, 1468, 1835, 2073, 2202, 2764, 2936, 3455, 3670, 4146, 4404, 5505, 5528, 6910, 7340, 8292, 8808, 10365, 11010, 13820, 14680, 16584, 20730, 22020, 27640, 41460, 44040, 82920, 253597, 507194, 760791, 1014388, 1267985, 1521582, 2028776, 2535970, 3043164, 3803955, 5071940, 6086328, 7607910, 10143880, 15215820, 30431640]

約数ペア:

[(1, 30431640), (2, 15215820), (3, 10143880), (4, 7607910), (5, 6086328), (6, 5071940), (8, 3803955), (10, 3043164), (12, 2535970), (15, 2028776), (20, 1521582), (24, 1267985), (30, 1014388), (40, 760791), (60, 507194), (120, 253597), (367, 82920), (691, 44040), (734, 41460), (1101, 27640), (1382, 22020), (1468, 20730), (1835, 16584), (2073, 14680), (2202, 13820), (2764, 11010), (2936, 10365), (3455, 8808), (3670, 8292), (4146, 7340), (4404, 6910), (5505, 5528)]