78168840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{15149}}^1$

素因数の和:15206

約数の個数: 64

約数和(自身を含む): 239976000

約数和(自身を除く): 161807160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 5160, 15149, 30298, 45447, 60596, 75745, 90894, 121192, 151490, 181788, 227235, 302980, 363576, 454470, 605960, 651407, 908940, 1302814, 1817880, 1954221, 2605628, 3257035, 3908442, 5211256, 6514070, 7816884, 9771105, 13028140, 15633768, 19542210, 26056280, 39084420, 78168840]

約数ペア:

[(1, 78168840), (2, 39084420), (3, 26056280), (4, 19542210), (5, 15633768), (6, 13028140), (8, 9771105), (10, 7816884), (12, 6514070), (15, 5211256), (20, 3908442), (24, 3257035), (30, 2605628), (40, 1954221), (43, 1817880), (60, 1302814), (86, 908940), (120, 651407), (129, 605960), (172, 454470), (215, 363576), (258, 302980), (344, 227235), (430, 181788), (516, 151490), (645, 121192), (860, 90894), (1032, 75745), (1290, 60596), (1720, 45447), (2580, 30298), (5160, 15149)]