1615960

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{569}}^1$

素因数の和:651

約数の個数: 32

約数和(自身を含む): 3693600

約数和(自身を除く): 2077640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 569, 710, 1138, 1420, 2276, 2840, 2845, 4552, 5690, 11380, 22760, 40399, 80798, 161596, 201995, 323192, 403990, 807980, 1615960]

約数ペア:

[(1, 1615960), (2, 807980), (4, 403990), (5, 323192), (8, 201995), (10, 161596), (20, 80798), (40, 40399), (71, 22760), (142, 11380), (284, 5690), (355, 4552), (568, 2845), (569, 2840), (710, 2276), (1138, 1420)]