82576760

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{42131}}^1$

素因数の和:42156

約数の個数: 48

約数和(自身を含む): 216137160

約数和(自身を除く): 133560400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 42131, 84262, 168524, 210655, 294917, 337048, 421310, 589834, 842620, 1179668, 1474585, 1685240, 2064419, 2359336, 2949170, 4128838, 5898340, 8257676, 10322095, 11796680, 16515352, 20644190, 41288380, 82576760]

約数ペア:

[(1, 82576760), (2, 41288380), (4, 20644190), (5, 16515352), (7, 11796680), (8, 10322095), (10, 8257676), (14, 5898340), (20, 4128838), (28, 2949170), (35, 2359336), (40, 2064419), (49, 1685240), (56, 1474585), (70, 1179668), (98, 842620), (140, 589834), (196, 421310), (245, 337048), (280, 294917), (392, 210655), (490, 168524), (980, 84262), (1960, 42131)]