87231080

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{787}}^1$

素因数の和:978

約数の個数: 64

約数和(自身を含む): 209355840

約数和(自身を除く): 122124760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 163, 170, 326, 340, 652, 680, 787, 815, 1304, 1574, 1630, 2771, 3148, 3260, 3935, 5542, 6296, 6520, 7870, 11084, 13379, 13855, 15740, 22168, 26758, 27710, 31480, 53516, 55420, 66895, 107032, 110840, 128281, 133790, 256562, 267580, 513124, 535160, 641405, 1026248, 1282810, 2180777, 2565620, 4361554, 5131240, 8723108, 10903885, 17446216, 21807770, 43615540, 87231080]

約数ペア:

[(1, 87231080), (2, 43615540), (4, 21807770), (5, 17446216), (8, 10903885), (10, 8723108), (17, 5131240), (20, 4361554), (34, 2565620), (40, 2180777), (68, 1282810), (85, 1026248), (136, 641405), (163, 535160), (170, 513124), (326, 267580), (340, 256562), (652, 133790), (680, 128281), (787, 110840), (815, 107032), (1304, 66895), (1574, 55420), (1630, 53516), (2771, 31480), (3148, 27710), (3260, 26758), (3935, 22168), (5542, 15740), (6296, 13855), (6520, 13379), (7870, 11084)]