81246264

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{421}}^1$

素因数の和:501

約数の個数: 128

約数和(自身を含む): 240641280

約数和(自身を除く): 159395016

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 17, 22, 24, 33, 34, 43, 44, 51, 66, 68, 86, 88, 102, 129, 132, 136, 172, 187, 204, 258, 264, 344, 374, 408, 421, 473, 516, 561, 731, 748, 842, 946, 1032, 1122, 1263, 1419, 1462, 1496, 1684, 1892, 2193, 2244, 2526, 2838, 2924, 3368, 3784, 4386, 4488, 4631, 5052, 5676, 5848, 7157, 8041, 8772, 9262, 10104, 11352, 13893, 14314, 16082, 17544, 18103, 18524, 21471, 24123, 27786, 28628, 32164, 36206, 37048, 42942, 48246, 54309, 55572, 57256, 64328, 72412, 78727, 85884, 96492, 108618, 111144, 144824, 157454, 171768, 192984, 199133, 217236, 236181, 307751, 314908, 398266, 434472, 472362, 597399, 615502, 629816, 796532, 923253, 944724, 1194798, 1231004, 1593064, 1846506, 1889448, 2389596, 2462008, 3385261, 3693012, 4779192, 6770522, 7386024, 10155783, 13541044, 20311566, 27082088, 40623132, 81246264]

約数ペア:

[(1, 81246264), (2, 40623132), (3, 27082088), (4, 20311566), (6, 13541044), (8, 10155783), (11, 7386024), (12, 6770522), (17, 4779192), (22, 3693012), (24, 3385261), (33, 2462008), (34, 2389596), (43, 1889448), (44, 1846506), (51, 1593064), (66, 1231004), (68, 1194798), (86, 944724), (88, 923253), (102, 796532), (129, 629816), (132, 615502), (136, 597399), (172, 472362), (187, 434472), (204, 398266), (258, 314908), (264, 307751), (344, 236181), (374, 217236), (408, 199133), (421, 192984), (473, 171768), (516, 157454), (561, 144824), (731, 111144), (748, 108618), (842, 96492), (946, 85884), (1032, 78727), (1122, 72412), (1263, 64328), (1419, 57256), (1462, 55572), (1496, 54309), (1684, 48246), (1892, 42942), (2193, 37048), (2244, 36206), (2526, 32164), (2838, 28628), (2924, 27786), (3368, 24123), (3784, 21471), (4386, 18524), (4488, 18103), (4631, 17544), (5052, 16082), (5676, 14314), (5848, 13893), (7157, 11352), (8041, 10104), (8772, 9262)]