2880494920

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{367}}^1\times {\mathrm{821}}^1$

素因数の和:1438

約数の個数: 64

約数和(自身を含む): 6533913600

約数和(自身を除く): 3653418680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 367, 478, 734, 821, 956, 1195, 1468, 1642, 1835, 1912, 2390, 2936, 3284, 3670, 4105, 4780, 6568, 7340, 8210, 9560, 14680, 16420, 32840, 87713, 175426, 196219, 301307, 350852, 392438, 438565, 602614, 701704, 784876, 877130, 981095, 1205228, 1506535, 1569752, 1754260, 1962190, 2410456, 3013070, 3508520, 3924380, 6026140, 7848760, 12052280, 72012373, 144024746, 288049492, 360061865, 576098984, 720123730, 1440247460, 2880494920]

約数ペア:

[(1, 2880494920), (2, 1440247460), (4, 720123730), (5, 576098984), (8, 360061865), (10, 288049492), (20, 144024746), (40, 72012373), (239, 12052280), (367, 7848760), (478, 6026140), (734, 3924380), (821, 3508520), (956, 3013070), (1195, 2410456), (1468, 1962190), (1642, 1754260), (1835, 1569752), (1912, 1506535), (2390, 1205228), (2936, 981095), (3284, 877130), (3670, 784876), (4105, 701704), (4780, 602614), (6568, 438565), (7340, 392438), (8210, 350852), (9560, 301307), (14680, 196219), (16420, 175426), (32840, 87713)]