129531920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{739}}^1$

素因数の和:1072

約数の個数: 80

約数和(自身を含む): 345751680

約数和(自身を除く): 216219760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 313, 560, 626, 739, 1252, 1478, 1565, 2191, 2504, 2956, 3130, 3695, 4382, 5008, 5173, 5912, 6260, 7390, 8764, 10346, 10955, 11824, 12520, 14780, 17528, 20692, 21910, 25040, 25865, 29560, 35056, 41384, 43820, 51730, 59120, 82768, 87640, 103460, 175280, 206920, 231307, 413840, 462614, 925228, 1156535, 1619149, 1850456, 2313070, 3238298, 3700912, 4626140, 6476596, 8095745, 9252280, 12953192, 16191490, 18504560, 25906384, 32382980, 64765960, 129531920]

約数ペア:

[(1, 129531920), (2, 64765960), (4, 32382980), (5, 25906384), (7, 18504560), (8, 16191490), (10, 12953192), (14, 9252280), (16, 8095745), (20, 6476596), (28, 4626140), (35, 3700912), (40, 3238298), (56, 2313070), (70, 1850456), (80, 1619149), (112, 1156535), (140, 925228), (280, 462614), (313, 413840), (560, 231307), (626, 206920), (739, 175280), (1252, 103460), (1478, 87640), (1565, 82768), (2191, 59120), (2504, 51730), (2956, 43820), (3130, 41384), (3695, 35056), (4382, 29560), (5008, 25865), (5173, 25040), (5912, 21910), (6260, 20692), (7390, 17528), (8764, 14780), (10346, 12520), (10955, 11824)]