30587960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{997}}^1$

素因数の和:1080

約数の個数: 64

約数和(自身を含む): 75448800

約数和(自身を除く): 44860840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 59, 65, 104, 118, 130, 236, 260, 295, 472, 520, 590, 767, 997, 1180, 1534, 1994, 2360, 3068, 3835, 3988, 4985, 6136, 7670, 7976, 9970, 12961, 15340, 19940, 25922, 30680, 39880, 51844, 58823, 64805, 103688, 117646, 129610, 235292, 259220, 294115, 470584, 518440, 588230, 764699, 1176460, 1529398, 2352920, 3058796, 3823495, 6117592, 7646990, 15293980, 30587960]

約数ペア:

[(1, 30587960), (2, 15293980), (4, 7646990), (5, 6117592), (8, 3823495), (10, 3058796), (13, 2352920), (20, 1529398), (26, 1176460), (40, 764699), (52, 588230), (59, 518440), (65, 470584), (104, 294115), (118, 259220), (130, 235292), (236, 129610), (260, 117646), (295, 103688), (472, 64805), (520, 58823), (590, 51844), (767, 39880), (997, 30680), (1180, 25922), (1534, 19940), (1994, 15340), (2360, 12961), (3068, 9970), (3835, 7976), (3988, 7670), (4985, 6136)]