76857880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{4721}}^1$

素因数の和:4780

約数の個数: 64

約数和(自身を含む): 193790880

約数和(自身を除く): 116933000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 74, 88, 110, 148, 185, 220, 296, 370, 407, 440, 740, 814, 1480, 1628, 2035, 3256, 4070, 4721, 8140, 9442, 16280, 18884, 23605, 37768, 47210, 51931, 94420, 103862, 174677, 188840, 207724, 259655, 349354, 415448, 519310, 698708, 873385, 1038620, 1397416, 1746770, 1921447, 2077240, 3493540, 3842894, 6987080, 7685788, 9607235, 15371576, 19214470, 38428940, 76857880]

約数ペア:

[(1, 76857880), (2, 38428940), (4, 19214470), (5, 15371576), (8, 9607235), (10, 7685788), (11, 6987080), (20, 3842894), (22, 3493540), (37, 2077240), (40, 1921447), (44, 1746770), (55, 1397416), (74, 1038620), (88, 873385), (110, 698708), (148, 519310), (185, 415448), (220, 349354), (296, 259655), (370, 207724), (407, 188840), (440, 174677), (740, 103862), (814, 94420), (1480, 51931), (1628, 47210), (2035, 37768), (3256, 23605), (4070, 18884), (4721, 16280), (8140, 9442)]