15215820

素因数分解:

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

素因数の和:1070

約数の個数: 48

約数和(自身を含む): 42782208

約数和(自身を除く): 27566388

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 367, 691, 734, 1101, 1382, 1468, 1835, 2073, 2202, 2764, 3455, 3670, 4146, 4404, 5505, 6910, 7340, 8292, 10365, 11010, 13820, 20730, 22020, 41460, 253597, 507194, 760791, 1014388, 1267985, 1521582, 2535970, 3043164, 3803955, 5071940, 7607910, 15215820]

約数ペア:

[(1, 15215820), (2, 7607910), (3, 5071940), (4, 3803955), (5, 3043164), (6, 2535970), (10, 1521582), (12, 1267985), (15, 1014388), (20, 760791), (30, 507194), (60, 253597), (367, 41460), (691, 22020), (734, 20730), (1101, 13820), (1382, 11010), (1468, 10365), (1835, 8292), (2073, 7340), (2202, 6910), (2764, 5505), (3455, 4404), (3670, 4146)]