91791080

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{569}}^1$

素因数の和:726

約数の個数: 64

約数和(自身を含む): 214434000

約数和(自身を除く): 122642920

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 109, 148, 185, 218, 296, 370, 436, 545, 569, 740, 872, 1090, 1138, 1480, 2180, 2276, 2845, 4033, 4360, 4552, 5690, 8066, 11380, 16132, 20165, 21053, 22760, 32264, 40330, 42106, 62021, 80660, 84212, 105265, 124042, 161320, 168424, 210530, 248084, 310105, 421060, 496168, 620210, 842120, 1240420, 2294777, 2480840, 4589554, 9179108, 11473885, 18358216, 22947770, 45895540, 91791080]

約数ペア:

[(1, 91791080), (2, 45895540), (4, 22947770), (5, 18358216), (8, 11473885), (10, 9179108), (20, 4589554), (37, 2480840), (40, 2294777), (74, 1240420), (109, 842120), (148, 620210), (185, 496168), (218, 421060), (296, 310105), (370, 248084), (436, 210530), (545, 168424), (569, 161320), (740, 124042), (872, 105265), (1090, 84212), (1138, 80660), (1480, 62021), (2180, 42106), (2276, 40330), (2845, 32264), (4033, 22760), (4360, 21053), (4552, 20165), (5690, 16132), (8066, 11380)]