12867640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1$

素因数の和:304

約数の個数: 64

約数和(自身を含む): 31104000

約数和(自身を除く): 18236360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 127, 136, 149, 170, 254, 298, 340, 508, 596, 635, 680, 745, 1016, 1192, 1270, 1490, 2159, 2533, 2540, 2980, 4318, 5066, 5080, 5960, 8636, 10132, 10795, 12665, 17272, 18923, 20264, 21590, 25330, 37846, 43180, 50660, 75692, 86360, 94615, 101320, 151384, 189230, 321691, 378460, 643382, 756920, 1286764, 1608455, 2573528, 3216910, 6433820, 12867640]

約数ペア:

[(1, 12867640), (2, 6433820), (4, 3216910), (5, 2573528), (8, 1608455), (10, 1286764), (17, 756920), (20, 643382), (34, 378460), (40, 321691), (68, 189230), (85, 151384), (127, 101320), (136, 94615), (149, 86360), (170, 75692), (254, 50660), (298, 43180), (340, 37846), (508, 25330), (596, 21590), (635, 20264), (680, 18923), (745, 17272), (1016, 12665), (1192, 10795), (1270, 10132), (1490, 8636), (2159, 5960), (2533, 5080), (2540, 5066), (2980, 4318)]