159377720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^3\times {\mathrm{811}}^1$

素因数の和:873

約数の個数: 64

約数和(自身を含む): 381477600

約数和(自身を除く): 222099880

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 289, 340, 578, 680, 811, 1156, 1445, 1622, 2312, 2890, 3244, 4055, 4913, 5780, 6488, 8110, 9826, 11560, 13787, 16220, 19652, 24565, 27574, 32440, 39304, 49130, 55148, 68935, 98260, 110296, 137870, 196520, 234379, 275740, 468758, 551480, 937516, 1171895, 1875032, 2343790, 3984443, 4687580, 7968886, 9375160, 15937772, 19922215, 31875544, 39844430, 79688860, 159377720]

約数ペア:

[(1, 159377720), (2, 79688860), (4, 39844430), (5, 31875544), (8, 19922215), (10, 15937772), (17, 9375160), (20, 7968886), (34, 4687580), (40, 3984443), (68, 2343790), (85, 1875032), (136, 1171895), (170, 937516), (289, 551480), (340, 468758), (578, 275740), (680, 234379), (811, 196520), (1156, 137870), (1445, 110296), (1622, 98260), (2312, 68935), (2890, 55148), (3244, 49130), (4055, 39304), (4913, 32440), (5780, 27574), (6488, 24565), (8110, 19652), (9826, 16220), (11560, 13787)]