66620580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{85411}}^1$

素因数の和:85436

約数の個数: 48

約数和(自身を含む): 200889024

約数和(自身を除く): 134268444

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 85411, 170822, 256233, 341644, 427055, 512466, 854110, 1024932, 1110343, 1281165, 1708220, 2220686, 2562330, 3331029, 4441372, 5124660, 5551715, 6662058, 11103430, 13324116, 16655145, 22206860, 33310290, 66620580]

約数ペア:

[(1, 66620580), (2, 33310290), (3, 22206860), (4, 16655145), (5, 13324116), (6, 11103430), (10, 6662058), (12, 5551715), (13, 5124660), (15, 4441372), (20, 3331029), (26, 2562330), (30, 2220686), (39, 1708220), (52, 1281165), (60, 1110343), (65, 1024932), (78, 854110), (130, 512466), (156, 427055), (195, 341644), (260, 256233), (390, 170822), (780, 85411)]