1313304040

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{2837}}^1$

素因数の和:3082

約数の個数: 64

約数和(自身を含む): 3015999360

約数和(自身を除く): 1702695320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 163, 284, 326, 355, 568, 652, 710, 815, 1304, 1420, 1630, 2837, 2840, 3260, 5674, 6520, 11348, 11573, 14185, 22696, 23146, 28370, 46292, 56740, 57865, 92584, 113480, 115730, 201427, 231460, 402854, 462431, 462920, 805708, 924862, 1007135, 1611416, 1849724, 2014270, 2312155, 3699448, 4028540, 4624310, 8057080, 9248620, 18497240, 32832601, 65665202, 131330404, 164163005, 262660808, 328326010, 656652020, 1313304040]

約数ペア:

[(1, 1313304040), (2, 656652020), (4, 328326010), (5, 262660808), (8, 164163005), (10, 131330404), (20, 65665202), (40, 32832601), (71, 18497240), (142, 9248620), (163, 8057080), (284, 4624310), (326, 4028540), (355, 3699448), (568, 2312155), (652, 2014270), (710, 1849724), (815, 1611416), (1304, 1007135), (1420, 924862), (1630, 805708), (2837, 462920), (2840, 462431), (3260, 402854), (5674, 231460), (6520, 201427), (11348, 115730), (11573, 113480), (14185, 92584), (22696, 57865), (23146, 56740), (28370, 46292)]