79440760

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{40531}}^1$

素因数の和:40556

約数の個数: 48

約数和(自身を含む): 207929160

約数和(自身を除く): 128488400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 40531, 81062, 162124, 202655, 283717, 324248, 405310, 567434, 810620, 1134868, 1418585, 1621240, 1986019, 2269736, 2837170, 3972038, 5674340, 7944076, 9930095, 11348680, 15888152, 19860190, 39720380, 79440760]

約数ペア:

[(1, 79440760), (2, 39720380), (4, 19860190), (5, 15888152), (7, 11348680), (8, 9930095), (10, 7944076), (14, 5674340), (20, 3972038), (28, 2837170), (35, 2269736), (40, 1986019), (49, 1621240), (56, 1418585), (70, 1134868), (98, 810620), (140, 567434), (196, 405310), (245, 324248), (280, 283717), (392, 202655), (490, 162124), (980, 81062), (1960, 40531)]