77280280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{2281}}^1$

素因数の和:2321

約数の個数: 96

約数和(自身を含む): 218524320

約数和(自身を除く): 141244040

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 121, 140, 154, 220, 242, 280, 308, 385, 440, 484, 605, 616, 770, 847, 968, 1210, 1540, 1694, 2281, 2420, 3080, 3388, 4235, 4562, 4840, 6776, 8470, 9124, 11405, 15967, 16940, 18248, 22810, 25091, 31934, 33880, 45620, 50182, 63868, 79835, 91240, 100364, 125455, 127736, 159670, 175637, 200728, 250910, 276001, 319340, 351274, 501820, 552002, 638680, 702548, 878185, 1003640, 1104004, 1380005, 1405096, 1756370, 1932007, 2208008, 2760010, 3512740, 3864014, 5520020, 7025480, 7728028, 9660035, 11040040, 15456056, 19320070, 38640140, 77280280]

約数ペア:

[(1, 77280280), (2, 38640140), (4, 19320070), (5, 15456056), (7, 11040040), (8, 9660035), (10, 7728028), (11, 7025480), (14, 5520020), (20, 3864014), (22, 3512740), (28, 2760010), (35, 2208008), (40, 1932007), (44, 1756370), (55, 1405096), (56, 1380005), (70, 1104004), (77, 1003640), (88, 878185), (110, 702548), (121, 638680), (140, 552002), (154, 501820), (220, 351274), (242, 319340), (280, 276001), (308, 250910), (385, 200728), (440, 175637), (484, 159670), (605, 127736), (616, 125455), (770, 100364), (847, 91240), (968, 79835), (1210, 63868), (1540, 50182), (1694, 45620), (2281, 33880), (2420, 31934), (3080, 25091), (3388, 22810), (4235, 18248), (4562, 16940), (4840, 15967), (6776, 11405), (8470, 9124)]