15293980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{997}}^1$

素因数の和:1078

約数の個数: 48

約数和(自身を含む): 35209440

約数和(自身を除く): 19915460

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 59, 65, 118, 130, 236, 260, 295, 590, 767, 997, 1180, 1534, 1994, 3068, 3835, 3988, 4985, 7670, 9970, 12961, 15340, 19940, 25922, 51844, 58823, 64805, 117646, 129610, 235292, 259220, 294115, 588230, 764699, 1176460, 1529398, 3058796, 3823495, 7646990, 15293980]

約数ペア:

[(1, 15293980), (2, 7646990), (4, 3823495), (5, 3058796), (10, 1529398), (13, 1176460), (20, 764699), (26, 588230), (52, 294115), (59, 259220), (65, 235292), (118, 129610), (130, 117646), (236, 64805), (260, 58823), (295, 51844), (590, 25922), (767, 19940), (997, 15340), (1180, 12961), (1534, 9970), (1994, 7670), (3068, 4985), (3835, 3988)]