12801460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1499}}^1$

素因数の和:1576

約数の個数: 48

約数和(自身を含む): 31248000

約数和(自身を除く): 18446540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1499, 1708, 2135, 2998, 4270, 5996, 7495, 8540, 10493, 14990, 20986, 29980, 41972, 52465, 91439, 104930, 182878, 209860, 365756, 457195, 640073, 914390, 1280146, 1828780, 2560292, 3200365, 6400730, 12801460]

約数ペア:

[(1, 12801460), (2, 6400730), (4, 3200365), (5, 2560292), (7, 1828780), (10, 1280146), (14, 914390), (20, 640073), (28, 457195), (35, 365756), (61, 209860), (70, 182878), (122, 104930), (140, 91439), (244, 52465), (305, 41972), (427, 29980), (610, 20986), (854, 14990), (1220, 10493), (1499, 8540), (1708, 7495), (2135, 5996), (2998, 4270)]