77868560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{12641}}^1$

素因数の和:12672

約数の個数: 80

約数和(自身を含む): 225735552

約数和(自身を除く): 147866992

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1540, 3080, 6160, 12641, 25282, 50564, 63205, 88487, 101128, 126410, 139051, 176974, 202256, 252820, 278102, 353948, 442435, 505640, 556204, 695255, 707896, 884870, 973357, 1011280, 1112408, 1390510, 1415792, 1769740, 1946714, 2224816, 2781020, 3539480, 3893428, 4866785, 5562040, 7078960, 7786856, 9733570, 11124080, 15573712, 19467140, 38934280, 77868560]

約数ペア:

[(1, 77868560), (2, 38934280), (4, 19467140), (5, 15573712), (7, 11124080), (8, 9733570), (10, 7786856), (11, 7078960), (14, 5562040), (16, 4866785), (20, 3893428), (22, 3539480), (28, 2781020), (35, 2224816), (40, 1946714), (44, 1769740), (55, 1415792), (56, 1390510), (70, 1112408), (77, 1011280), (80, 973357), (88, 884870), (110, 707896), (112, 695255), (140, 556204), (154, 505640), (176, 442435), (220, 353948), (280, 278102), (308, 252820), (385, 202256), (440, 176974), (560, 139051), (616, 126410), (770, 101128), (880, 88487), (1232, 63205), (1540, 50564), (3080, 25282), (6160, 12641)]