1581567140

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{433}}^1\times {\mathrm{1009}}^1$

素因数の和:1632

約数の個数: 48

約数和(自身を含む): 3350670960

約数和(自身を除く): 1769103820

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 433, 724, 866, 905, 1009, 1732, 1810, 2018, 2165, 3620, 4036, 4330, 5045, 8660, 10090, 20180, 78373, 156746, 182629, 313492, 365258, 391865, 436897, 730516, 783730, 873794, 913145, 1567460, 1747588, 1826290, 2184485, 3652580, 4368970, 8737940, 79078357, 158156714, 316313428, 395391785, 790783570, 1581567140]

約数ペア:

[(1, 1581567140), (2, 790783570), (4, 395391785), (5, 316313428), (10, 158156714), (20, 79078357), (181, 8737940), (362, 4368970), (433, 3652580), (724, 2184485), (866, 1826290), (905, 1747588), (1009, 1567460), (1732, 913145), (1810, 873794), (2018, 783730), (2165, 730516), (3620, 436897), (4036, 391865), (4330, 365258), (5045, 313492), (8660, 182629), (10090, 156746), (20180, 78373)]