639786480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{883}}^1\times {\mathrm{3019}}^1$

素因数の和:3918

約数の個数: 80

約数和(自身を含む): 1986241920

約数和(自身を除く): 1346455440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 883, 1766, 2649, 3019, 3532, 4415, 5298, 6038, 7064, 8830, 9057, 10596, 12076, 13245, 14128, 15095, 17660, 18114, 21192, 24152, 26490, 30190, 35320, 36228, 42384, 45285, 48304, 52980, 60380, 70640, 72456, 90570, 105960, 120760, 144912, 181140, 211920, 241520, 362280, 724560, 2665777, 5331554, 7997331, 10663108, 13328885, 15994662, 21326216, 26657770, 31989324, 39986655, 42652432, 53315540, 63978648, 79973310, 106631080, 127957296, 159946620, 213262160, 319893240, 639786480]

約数ペア:

[(1, 639786480), (2, 319893240), (3, 213262160), (4, 159946620), (5, 127957296), (6, 106631080), (8, 79973310), (10, 63978648), (12, 53315540), (15, 42652432), (16, 39986655), (20, 31989324), (24, 26657770), (30, 21326216), (40, 15994662), (48, 13328885), (60, 10663108), (80, 7997331), (120, 5331554), (240, 2665777), (883, 724560), (1766, 362280), (2649, 241520), (3019, 211920), (3532, 181140), (4415, 144912), (5298, 120760), (6038, 105960), (7064, 90570), (8830, 72456), (9057, 70640), (10596, 60380), (12076, 52980), (13245, 48304), (14128, 45285), (15095, 42384), (17660, 36228), (18114, 35320), (21192, 30190), (24152, 26490)]