642788960

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{521}}^1\times {\mathrm{701}}^1$

素因数の和:1248

約数の個数: 96

約数和(自身を含む): 1662189984

約数和(自身を除く): 1019401024

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 521, 701, 880, 1042, 1402, 1760, 2084, 2605, 2804, 3505, 4168, 5210, 5608, 5731, 7010, 7711, 8336, 10420, 11216, 11462, 14020, 15422, 16672, 20840, 22432, 22924, 28040, 28655, 30844, 38555, 41680, 45848, 56080, 57310, 61688, 77110, 83360, 91696, 112160, 114620, 123376, 154220, 183392, 229240, 246752, 308440, 365221, 458480, 616880, 730442, 916960, 1233760, 1460884, 1826105, 2921768, 3652210, 4017431, 5843536, 7304420, 8034862, 11687072, 14608840, 16069724, 20087155, 29217680, 32139448, 40174310, 58435360, 64278896, 80348620, 128557792, 160697240, 321394480, 642788960]

約数ペア:

[(1, 642788960), (2, 321394480), (4, 160697240), (5, 128557792), (8, 80348620), (10, 64278896), (11, 58435360), (16, 40174310), (20, 32139448), (22, 29217680), (32, 20087155), (40, 16069724), (44, 14608840), (55, 11687072), (80, 8034862), (88, 7304420), (110, 5843536), (160, 4017431), (176, 3652210), (220, 2921768), (352, 1826105), (440, 1460884), (521, 1233760), (701, 916960), (880, 730442), (1042, 616880), (1402, 458480), (1760, 365221), (2084, 308440), (2605, 246752), (2804, 229240), (3505, 183392), (4168, 154220), (5210, 123376), (5608, 114620), (5731, 112160), (7010, 91696), (7711, 83360), (8336, 77110), (10420, 61688), (11216, 57310), (11462, 56080), (14020, 45848), (15422, 41680), (16672, 38555), (20840, 30844), (22432, 28655), (22924, 28040)]