131671160

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{2069}}^1$

素因数の和:2160

約数の個数: 64

約数和(自身を含む): 311493600

約数和(自身を除く): 179822440

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 43, 74, 86, 148, 172, 185, 215, 296, 344, 370, 430, 740, 860, 1480, 1591, 1720, 2069, 3182, 4138, 6364, 7955, 8276, 10345, 12728, 15910, 16552, 20690, 31820, 41380, 63640, 76553, 82760, 88967, 153106, 177934, 306212, 355868, 382765, 444835, 612424, 711736, 765530, 889670, 1531060, 1779340, 3062120, 3291779, 3558680, 6583558, 13167116, 16458895, 26334232, 32917790, 65835580, 131671160]

約数ペア:

[(1, 131671160), (2, 65835580), (4, 32917790), (5, 26334232), (8, 16458895), (10, 13167116), (20, 6583558), (37, 3558680), (40, 3291779), (43, 3062120), (74, 1779340), (86, 1531060), (148, 889670), (172, 765530), (185, 711736), (215, 612424), (296, 444835), (344, 382765), (370, 355868), (430, 306212), (740, 177934), (860, 153106), (1480, 88967), (1591, 82760), (1720, 76553), (2069, 63640), (3182, 41380), (4138, 31820), (6364, 20690), (7955, 16552), (8276, 15910), (10345, 12728)]