64684816

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{269}}^1$

素因数の和:416

約数の個数: 80

約数和(自身を含む): 152668800

約数和(自身を除く): 87983984

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 113, 133, 152, 226, 266, 269, 304, 452, 532, 538, 791, 904, 1064, 1076, 1582, 1808, 1883, 2128, 2147, 2152, 3164, 3766, 4294, 4304, 5111, 6328, 7532, 8588, 10222, 12656, 15029, 15064, 17176, 20444, 30058, 30128, 30397, 34352, 35777, 40888, 60116, 60794, 71554, 81776, 120232, 121588, 143108, 212779, 240464, 243176, 286216, 425558, 486352, 572432, 577543, 851116, 1155086, 1702232, 2310172, 3404464, 4042801, 4620344, 8085602, 9240688, 16171204, 32342408, 64684816]

約数ペア:

[(1, 64684816), (2, 32342408), (4, 16171204), (7, 9240688), (8, 8085602), (14, 4620344), (16, 4042801), (19, 3404464), (28, 2310172), (38, 1702232), (56, 1155086), (76, 851116), (112, 577543), (113, 572432), (133, 486352), (152, 425558), (226, 286216), (266, 243176), (269, 240464), (304, 212779), (452, 143108), (532, 121588), (538, 120232), (791, 81776), (904, 71554), (1064, 60794), (1076, 60116), (1582, 40888), (1808, 35777), (1883, 34352), (2128, 30397), (2147, 30128), (2152, 30058), (3164, 20444), (3766, 17176), (4294, 15064), (4304, 15029), (5111, 12656), (6328, 10222), (7532, 8588)]