1680490120

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2471309}}^1$

素因数の和:2471337

約数の個数: 32

約数和(自身を含む): 4003522200

約数和(自身を除く): 2323032080

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 2471309, 4942618, 9885236, 12356545, 19770472, 24713090, 42012253, 49426180, 84024506, 98852360, 168049012, 210061265, 336098024, 420122530, 840245060, 1680490120]

約数ペア:

[(1, 1680490120), (2, 840245060), (4, 420122530), (5, 336098024), (8, 210061265), (10, 168049012), (17, 98852360), (20, 84024506), (34, 49426180), (40, 42012253), (68, 24713090), (85, 19770472), (136, 12356545), (170, 9885236), (340, 4942618), (680, 2471309)]