1643286520

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1231}}^1\times {\mathrm{1451}}^1$

素因数の和:2716

約数の個数: 64

約数和(自身を含む): 3863946240

約数和(自身を除く): 2220659720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 1231, 1451, 2462, 2902, 4924, 5804, 6155, 7255, 9848, 11608, 12310, 14510, 24620, 28313, 29020, 33373, 49240, 56626, 58040, 66746, 113252, 133492, 141565, 166865, 226504, 266984, 283130, 333730, 566260, 667460, 1132520, 1334920, 1786181, 3572362, 7144724, 8930905, 14289448, 17861810, 35723620, 41082163, 71447240, 82164326, 164328652, 205410815, 328657304, 410821630, 821643260, 1643286520]

約数ペア:

[(1, 1643286520), (2, 821643260), (4, 410821630), (5, 328657304), (8, 205410815), (10, 164328652), (20, 82164326), (23, 71447240), (40, 41082163), (46, 35723620), (92, 17861810), (115, 14289448), (184, 8930905), (230, 7144724), (460, 3572362), (920, 1786181), (1231, 1334920), (1451, 1132520), (2462, 667460), (2902, 566260), (4924, 333730), (5804, 283130), (6155, 266984), (7255, 226504), (9848, 166865), (11608, 141565), (12310, 133492), (14510, 113252), (24620, 66746), (28313, 58040), (29020, 56626), (33373, 49240)]