161495240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{4481}}^1$

素因数の和:4562

約数の個数: 64

約数和(自身を含む): 392085360

約数和(自身を除く): 230590120

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 53, 68, 85, 106, 136, 170, 212, 265, 340, 424, 530, 680, 901, 1060, 1802, 2120, 3604, 4481, 4505, 7208, 8962, 9010, 17924, 18020, 22405, 35848, 36040, 44810, 76177, 89620, 152354, 179240, 237493, 304708, 380885, 474986, 609416, 761770, 949972, 1187465, 1523540, 1899944, 2374930, 3047080, 4037381, 4749860, 8074762, 9499720, 16149524, 20186905, 32299048, 40373810, 80747620, 161495240]

約数ペア:

[(1, 161495240), (2, 80747620), (4, 40373810), (5, 32299048), (8, 20186905), (10, 16149524), (17, 9499720), (20, 8074762), (34, 4749860), (40, 4037381), (53, 3047080), (68, 2374930), (85, 1899944), (106, 1523540), (136, 1187465), (170, 949972), (212, 761770), (265, 609416), (340, 474986), (424, 380885), (530, 304708), (680, 237493), (901, 179240), (1060, 152354), (1802, 89620), (2120, 76177), (3604, 44810), (4481, 36040), (4505, 35848), (7208, 22405), (8962, 18020), (9010, 17924)]