157487660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{2477}}^1$

素因数の和:2531

約数の個数: 72

約数和(自身を含む): 383415984

約数和(自身を除く): 225928324

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 289, 340, 374, 578, 748, 935, 1156, 1445, 1870, 2477, 2890, 3179, 3740, 4954, 5780, 6358, 9908, 12385, 12716, 15895, 24770, 27247, 31790, 42109, 49540, 54494, 63580, 84218, 108988, 136235, 168436, 210545, 272470, 421090, 463199, 544940, 715853, 842180, 926398, 1431706, 1852796, 2315995, 2863412, 3579265, 4631990, 7158530, 7874383, 9263980, 14317060, 15748766, 31497532, 39371915, 78743830, 157487660]

約数ペア:

[(1, 157487660), (2, 78743830), (4, 39371915), (5, 31497532), (10, 15748766), (11, 14317060), (17, 9263980), (20, 7874383), (22, 7158530), (34, 4631990), (44, 3579265), (55, 2863412), (68, 2315995), (85, 1852796), (110, 1431706), (170, 926398), (187, 842180), (220, 715853), (289, 544940), (340, 463199), (374, 421090), (578, 272470), (748, 210545), (935, 168436), (1156, 136235), (1445, 108988), (1870, 84218), (2477, 63580), (2890, 54494), (3179, 49540), (3740, 42109), (4954, 31790), (5780, 27247), (6358, 24770), (9908, 15895), (12385, 12716)]