15287820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{4177}}^1$

素因数の和:4250

約数の個数: 48

約数和(自身を含む): 43518048

約数和(自身を除く): 28230228

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 732, 915, 1220, 1830, 3660, 4177, 8354, 12531, 16708, 20885, 25062, 41770, 50124, 62655, 83540, 125310, 250620, 254797, 509594, 764391, 1019188, 1273985, 1528782, 2547970, 3057564, 3821955, 5095940, 7643910, 15287820]

約数ペア:

[(1, 15287820), (2, 7643910), (3, 5095940), (4, 3821955), (5, 3057564), (6, 2547970), (10, 1528782), (12, 1273985), (15, 1019188), (20, 764391), (30, 509594), (60, 254797), (61, 250620), (122, 125310), (183, 83540), (244, 62655), (305, 50124), (366, 41770), (610, 25062), (732, 20885), (915, 16708), (1220, 12531), (1830, 8354), (3660, 4177)]