8160460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{757}}^1$

素因数の和:791

約数の個数: 72

約数和(自身を含む): 21775824

約数和(自身を除く): 13615364

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 757, 770, 980, 1078, 1514, 1540, 2156, 2695, 3028, 3785, 5299, 5390, 7570, 8327, 10598, 10780, 15140, 16654, 21196, 26495, 33308, 37093, 41635, 52990, 58289, 74186, 83270, 105980, 116578, 148372, 166540, 185465, 233156, 291445, 370930, 408023, 582890, 741860, 816046, 1165780, 1632092, 2040115, 4080230, 8160460]

約数ペア:

[(1, 8160460), (2, 4080230), (4, 2040115), (5, 1632092), (7, 1165780), (10, 816046), (11, 741860), (14, 582890), (20, 408023), (22, 370930), (28, 291445), (35, 233156), (44, 185465), (49, 166540), (55, 148372), (70, 116578), (77, 105980), (98, 83270), (110, 74186), (140, 58289), (154, 52990), (196, 41635), (220, 37093), (245, 33308), (308, 26495), (385, 21196), (490, 16654), (539, 15140), (757, 10780), (770, 10598), (980, 8327), (1078, 7570), (1514, 5390), (1540, 5299), (2156, 3785), (2695, 3028)]