157940310

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{20809}}^1$

素因数の和:20853

約数の個数: 64

約数和(自身を含む): 431516160

約数和(自身を除く): 273575850

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 23, 30, 33, 46, 55, 66, 69, 110, 115, 138, 165, 230, 253, 330, 345, 506, 690, 759, 1265, 1518, 2530, 3795, 7590, 20809, 41618, 62427, 104045, 124854, 208090, 228899, 312135, 457798, 478607, 624270, 686697, 957214, 1144495, 1373394, 1435821, 2288990, 2393035, 2871642, 3433485, 4786070, 5264677, 6866970, 7179105, 10529354, 14358210, 15794031, 26323385, 31588062, 52646770, 78970155, 157940310]

約数ペア:

[(1, 157940310), (2, 78970155), (3, 52646770), (5, 31588062), (6, 26323385), (10, 15794031), (11, 14358210), (15, 10529354), (22, 7179105), (23, 6866970), (30, 5264677), (33, 4786070), (46, 3433485), (55, 2871642), (66, 2393035), (69, 2288990), (110, 1435821), (115, 1373394), (138, 1144495), (165, 957214), (230, 686697), (253, 624270), (330, 478607), (345, 457798), (506, 312135), (690, 228899), (759, 208090), (1265, 124854), (1518, 104045), (2530, 62427), (3795, 41618), (7590, 20809)]