61995280

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^2\times {\mathrm{461}}^1$

素因数の和:556

約数の個数: 60

約数和(自身を含む): 148060836

約数和(自身を除く): 86065556

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 461, 656, 820, 922, 1640, 1681, 1844, 2305, 3280, 3362, 3688, 4610, 6724, 7376, 8405, 9220, 13448, 16810, 18440, 18901, 26896, 33620, 36880, 37802, 67240, 75604, 94505, 134480, 151208, 189010, 302416, 378020, 756040, 774941, 1512080, 1549882, 3099764, 3874705, 6199528, 7749410, 12399056, 15498820, 30997640, 61995280]

約数ペア:

[(1, 61995280), (2, 30997640), (4, 15498820), (5, 12399056), (8, 7749410), (10, 6199528), (16, 3874705), (20, 3099764), (40, 1549882), (41, 1512080), (80, 774941), (82, 756040), (164, 378020), (205, 302416), (328, 189010), (410, 151208), (461, 134480), (656, 94505), (820, 75604), (922, 67240), (1640, 37802), (1681, 36880), (1844, 33620), (2305, 26896), (3280, 18901), (3362, 18440), (3688, 16810), (4610, 13448), (6724, 9220), (7376, 8405)]