1359080

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{557}}^1$

素因数の和:629

約数の個数: 32

約数和(自身を含む): 3113640

約数和(自身を除く): 1754560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 557, 610, 1114, 1220, 2228, 2440, 2785, 4456, 5570, 11140, 22280, 33977, 67954, 135908, 169885, 271816, 339770, 679540, 1359080]

約数ペア:

[(1, 1359080), (2, 679540), (4, 339770), (5, 271816), (8, 169885), (10, 135908), (20, 67954), (40, 33977), (61, 22280), (122, 11140), (244, 5570), (305, 4456), (488, 2785), (557, 2440), (610, 2228), (1114, 1220)]