1560580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:244

約数の個数: 48

約数和(自身を含む): 3822336

約数和(自身を除く): 2261756

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 157, 284, 314, 355, 497, 628, 710, 785, 994, 1099, 1420, 1570, 1988, 2198, 2485, 3140, 4396, 4970, 5495, 9940, 10990, 11147, 21980, 22294, 44588, 55735, 78029, 111470, 156058, 222940, 312116, 390145, 780290, 1560580]

約数ペア:

[(1, 1560580), (2, 780290), (4, 390145), (5, 312116), (7, 222940), (10, 156058), (14, 111470), (20, 78029), (28, 55735), (35, 44588), (70, 22294), (71, 21980), (140, 11147), (142, 10990), (157, 9940), (284, 5495), (314, 4970), (355, 4396), (497, 3140), (628, 2485), (710, 2198), (785, 1988), (994, 1570), (1099, 1420)]