1243360

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{409}}^1$

素因数の和:443

約数の個数: 48

約数和(自身を含む): 3099600

約数和(自身を除く): 1856240

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 409, 608, 760, 818, 1520, 1636, 2045, 3040, 3272, 4090, 6544, 7771, 8180, 13088, 15542, 16360, 31084, 32720, 38855, 62168, 65440, 77710, 124336, 155420, 248672, 310840, 621680, 1243360]

約数ペア:

[(1, 1243360), (2, 621680), (4, 310840), (5, 248672), (8, 155420), (10, 124336), (16, 77710), (19, 65440), (20, 62168), (32, 38855), (38, 32720), (40, 31084), (76, 16360), (80, 15542), (95, 13088), (152, 8180), (160, 7771), (190, 6544), (304, 4090), (380, 3272), (409, 3040), (608, 2045), (760, 1636), (818, 1520)]