68725160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3457}}^1$

素因数の和:3546

約数の個数: 64

約数和(自身を含む): 179262720

約数和(自身を除く): 110537560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 994, 1420, 1988, 2485, 2840, 3457, 3976, 4970, 6914, 9940, 13828, 17285, 19880, 24199, 27656, 34570, 48398, 69140, 96796, 120995, 138280, 193592, 241990, 245447, 483980, 490894, 967960, 981788, 1227235, 1718129, 1963576, 2454470, 3436258, 4908940, 6872516, 8590645, 9817880, 13745032, 17181290, 34362580, 68725160]

約数ペア:

[(1, 68725160), (2, 34362580), (4, 17181290), (5, 13745032), (7, 9817880), (8, 8590645), (10, 6872516), (14, 4908940), (20, 3436258), (28, 2454470), (35, 1963576), (40, 1718129), (56, 1227235), (70, 981788), (71, 967960), (140, 490894), (142, 483980), (280, 245447), (284, 241990), (355, 193592), (497, 138280), (568, 120995), (710, 96796), (994, 69140), (1420, 48398), (1988, 34570), (2485, 27656), (2840, 24199), (3457, 19880), (3976, 17285), (4970, 13828), (6914, 9940)]