90753080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{863}}^1$

素因数の和:1124

約数の個数: 64

約数和(自身を含む): 223948800

約数和(自身を除く): 133195720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 239, 440, 478, 863, 956, 1195, 1726, 1912, 2390, 2629, 3452, 4315, 4780, 5258, 6904, 8630, 9493, 9560, 10516, 13145, 17260, 18986, 21032, 26290, 34520, 37972, 47465, 52580, 75944, 94930, 105160, 189860, 206257, 379720, 412514, 825028, 1031285, 1650056, 2062570, 2268827, 4125140, 4537654, 8250280, 9075308, 11344135, 18150616, 22688270, 45376540, 90753080]

約数ペア:

[(1, 90753080), (2, 45376540), (4, 22688270), (5, 18150616), (8, 11344135), (10, 9075308), (11, 8250280), (20, 4537654), (22, 4125140), (40, 2268827), (44, 2062570), (55, 1650056), (88, 1031285), (110, 825028), (220, 412514), (239, 379720), (440, 206257), (478, 189860), (863, 105160), (956, 94930), (1195, 75944), (1726, 52580), (1912, 47465), (2390, 37972), (2629, 34520), (3452, 26290), (4315, 21032), (4780, 18986), (5258, 17260), (6904, 13145), (8630, 10516), (9493, 9560)]