9681560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{487}}^1$

素因数の和:576

約数の個数: 64

約数和(自身を含む): 25297920

約数和(自身を除く): 15616360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 487, 497, 568, 710, 974, 994, 1420, 1948, 1988, 2435, 2485, 2840, 3409, 3896, 3976, 4870, 4970, 6818, 9740, 9940, 13636, 17045, 19480, 19880, 27272, 34090, 34577, 68180, 69154, 136360, 138308, 172885, 242039, 276616, 345770, 484078, 691540, 968156, 1210195, 1383080, 1936312, 2420390, 4840780, 9681560]

約数ペア:

[(1, 9681560), (2, 4840780), (4, 2420390), (5, 1936312), (7, 1383080), (8, 1210195), (10, 968156), (14, 691540), (20, 484078), (28, 345770), (35, 276616), (40, 242039), (56, 172885), (70, 138308), (71, 136360), (140, 69154), (142, 68180), (280, 34577), (284, 34090), (355, 27272), (487, 19880), (497, 19480), (568, 17045), (710, 13636), (974, 9940), (994, 9740), (1420, 6818), (1948, 4970), (1988, 4870), (2435, 3976), (2485, 3896), (2840, 3409)]