86677640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{887}}^1$

素因数の和:1254

約数の個数: 64

約数和(自身を含む): 223776000

約数和(自身を除く): 137098360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 349, 698, 887, 1396, 1745, 1774, 2443, 2792, 3490, 3548, 4435, 4886, 6209, 6980, 7096, 8870, 9772, 12215, 12418, 13960, 17740, 19544, 24430, 24836, 31045, 35480, 48860, 49672, 62090, 97720, 124180, 248360, 309563, 619126, 1238252, 1547815, 2166941, 2476504, 3095630, 4333882, 6191260, 8667764, 10834705, 12382520, 17335528, 21669410, 43338820, 86677640]

約数ペア:

[(1, 86677640), (2, 43338820), (4, 21669410), (5, 17335528), (7, 12382520), (8, 10834705), (10, 8667764), (14, 6191260), (20, 4333882), (28, 3095630), (35, 2476504), (40, 2166941), (56, 1547815), (70, 1238252), (140, 619126), (280, 309563), (349, 248360), (698, 124180), (887, 97720), (1396, 62090), (1745, 49672), (1774, 48860), (2443, 35480), (2792, 31045), (3490, 24836), (3548, 24430), (4435, 19544), (4886, 17740), (6209, 13960), (6980, 12418), (7096, 12215), (8870, 9772)]