720804304

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{67139}}^1$

素因数の和:67219

約数の個数: 40

約数和(自身を含む): 1548516960

約数和(自身を除く): 827712656

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 61, 88, 122, 176, 244, 488, 671, 976, 1342, 2684, 5368, 10736, 67139, 134278, 268556, 537112, 738529, 1074224, 1477058, 2954116, 4095479, 5908232, 8190958, 11816464, 16381916, 32763832, 45050269, 65527664, 90100538, 180201076, 360402152, 720804304]

約数ペア:

[(1, 720804304), (2, 360402152), (4, 180201076), (8, 90100538), (11, 65527664), (16, 45050269), (22, 32763832), (44, 16381916), (61, 11816464), (88, 8190958), (122, 5908232), (176, 4095479), (244, 2954116), (488, 1477058), (671, 1074224), (976, 738529), (1342, 537112), (2684, 268556), (5368, 134278), (10736, 67139)]