12407780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1151}}^1$

素因数の和:1185

約数の個数: 72

約数和(自身を含む): 33094656

約数和(自身を除く): 20686876

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1151, 1540, 2156, 2302, 2695, 4604, 5390, 5755, 8057, 10780, 11510, 12661, 16114, 23020, 25322, 32228, 40285, 50644, 56399, 63305, 80570, 88627, 112798, 126610, 161140, 177254, 225596, 253220, 281995, 354508, 443135, 563990, 620389, 886270, 1127980, 1240778, 1772540, 2481556, 3101945, 6203890, 12407780]

約数ペア:

[(1, 12407780), (2, 6203890), (4, 3101945), (5, 2481556), (7, 1772540), (10, 1240778), (11, 1127980), (14, 886270), (20, 620389), (22, 563990), (28, 443135), (35, 354508), (44, 281995), (49, 253220), (55, 225596), (70, 177254), (77, 161140), (98, 126610), (110, 112798), (140, 88627), (154, 80570), (196, 63305), (220, 56399), (245, 50644), (308, 40285), (385, 32228), (490, 25322), (539, 23020), (770, 16114), (980, 12661), (1078, 11510), (1151, 10780), (1540, 8057), (2156, 5755), (2302, 5390), (2695, 4604)]