180251260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{8641}}^1$

素因数の和:8806

約数の個数: 48

約数和(自身を含む): 435556800

約数和(自身を除く): 255305540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149, 298, 596, 745, 1043, 1490, 2086, 2980, 4172, 5215, 8641, 10430, 17282, 20860, 34564, 43205, 60487, 86410, 120974, 172820, 241948, 302435, 604870, 1209740, 1287509, 2575018, 5150036, 6437545, 9012563, 12875090, 18025126, 25750180, 36050252, 45062815, 90125630, 180251260]

約数ペア:

[(1, 180251260), (2, 90125630), (4, 45062815), (5, 36050252), (7, 25750180), (10, 18025126), (14, 12875090), (20, 9012563), (28, 6437545), (35, 5150036), (70, 2575018), (140, 1287509), (149, 1209740), (298, 604870), (596, 302435), (745, 241948), (1043, 172820), (1490, 120974), (2086, 86410), (2980, 60487), (4172, 43205), (5215, 34564), (8641, 20860), (10430, 17282)]