720904912

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{3323}}^1$

素因数の和:3500

約数の個数: 80

約数和(自身を含む): 1731139200

約数和(自身を除く): 1010234288

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 149, 182, 208, 298, 364, 596, 728, 1043, 1192, 1456, 1937, 2086, 2384, 3323, 3874, 4172, 6646, 7748, 8344, 13292, 13559, 15496, 16688, 23261, 26584, 27118, 30992, 43199, 46522, 53168, 54236, 86398, 93044, 108472, 172796, 186088, 216944, 302393, 345592, 372176, 495127, 604786, 691184, 990254, 1209572, 1980508, 2419144, 3465889, 3961016, 4838288, 6436651, 6931778, 7922032, 12873302, 13863556, 25746604, 27727112, 45056557, 51493208, 55454224, 90113114, 102986416, 180226228, 360452456, 720904912]

約数ペア:

[(1, 720904912), (2, 360452456), (4, 180226228), (7, 102986416), (8, 90113114), (13, 55454224), (14, 51493208), (16, 45056557), (26, 27727112), (28, 25746604), (52, 13863556), (56, 12873302), (91, 7922032), (104, 6931778), (112, 6436651), (149, 4838288), (182, 3961016), (208, 3465889), (298, 2419144), (364, 1980508), (596, 1209572), (728, 990254), (1043, 691184), (1192, 604786), (1456, 495127), (1937, 372176), (2086, 345592), (2384, 302393), (3323, 216944), (3874, 186088), (4172, 172796), (6646, 108472), (7748, 93044), (8344, 86398), (13292, 54236), (13559, 53168), (15496, 46522), (16688, 43199), (23261, 30992), (26584, 27118)]