12798520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1063}}^1$

素因数の和:1124

約数の個数: 64

約数和(自身を含む): 33707520

約数和(自身を除く): 20909000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 140, 172, 215, 280, 301, 344, 430, 602, 860, 1063, 1204, 1505, 1720, 2126, 2408, 3010, 4252, 5315, 6020, 7441, 8504, 10630, 12040, 14882, 21260, 29764, 37205, 42520, 45709, 59528, 74410, 91418, 148820, 182836, 228545, 297640, 319963, 365672, 457090, 639926, 914180, 1279852, 1599815, 1828360, 2559704, 3199630, 6399260, 12798520]

約数ペア:

[(1, 12798520), (2, 6399260), (4, 3199630), (5, 2559704), (7, 1828360), (8, 1599815), (10, 1279852), (14, 914180), (20, 639926), (28, 457090), (35, 365672), (40, 319963), (43, 297640), (56, 228545), (70, 182836), (86, 148820), (140, 91418), (172, 74410), (215, 59528), (280, 45709), (301, 42520), (344, 37205), (430, 29764), (602, 21260), (860, 14882), (1063, 12040), (1204, 10630), (1505, 8504), (1720, 7441), (2126, 6020), (2408, 5315), (3010, 4252)]