80687490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{10889}}^1$

素因数の和:10931

約数の個数: 64

約数和(自身を含む): 219542400

約数和(自身を除く): 138854910

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 19, 26, 30, 38, 39, 57, 65, 78, 95, 114, 130, 190, 195, 247, 285, 390, 494, 570, 741, 1235, 1482, 2470, 3705, 7410, 10889, 21778, 32667, 54445, 65334, 108890, 141557, 163335, 206891, 283114, 326670, 413782, 424671, 620673, 707785, 849342, 1034455, 1241346, 1415570, 2068910, 2123355, 2689583, 3103365, 4246710, 5379166, 6206730, 8068749, 13447915, 16137498, 26895830, 40343745, 80687490]

約数ペア:

[(1, 80687490), (2, 40343745), (3, 26895830), (5, 16137498), (6, 13447915), (10, 8068749), (13, 6206730), (15, 5379166), (19, 4246710), (26, 3103365), (30, 2689583), (38, 2123355), (39, 2068910), (57, 1415570), (65, 1241346), (78, 1034455), (95, 849342), (114, 707785), (130, 620673), (190, 424671), (195, 413782), (247, 326670), (285, 283114), (390, 206891), (494, 163335), (570, 141557), (741, 108890), (1235, 65334), (1482, 54445), (2470, 32667), (3705, 21778), (7410, 10889)]