81887960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{2417}}^1$

素因数の和:2457

約数の個数: 96

約数和(自身を含む): 231547680

約数和(自身を除く): 149659720

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, 2417, 2420, 3080, 3388, 4235, 4834, 4840, 6776, 8470, 9668, 12085, 16919, 16940, 19336, 24170, 26587, 33838, 33880, 48340, 53174, 67676, 84595, 96680, 106348, 132935, 135352, 169190, 186109, 212696, 265870, 292457, 338380, 372218, 531740, 584914, 676760, 744436, 930545, 1063480, 1169828, 1462285, 1488872, 1861090, 2047199, 2339656, 2924570, 3722180, 4094398, 5849140, 7444360, 8188796, 10235995, 11698280, 16377592, 20471990, 40943980, 81887960]

約数ペア:

[(1, 81887960), (2, 40943980), (4, 20471990), (5, 16377592), (7, 11698280), (8, 10235995), (10, 8188796), (11, 7444360), (14, 5849140), (20, 4094398), (22, 3722180), (28, 2924570), (35, 2339656), (40, 2047199), (44, 1861090), (55, 1488872), (56, 1462285), (70, 1169828), (77, 1063480), (88, 930545), (110, 744436), (121, 676760), (140, 584914), (154, 531740), (220, 372218), (242, 338380), (280, 292457), (308, 265870), (385, 212696), (440, 186109), (484, 169190), (605, 135352), (616, 132935), (770, 106348), (847, 96680), (968, 84595), (1210, 67676), (1540, 53174), (1694, 48340), (2417, 33880), (2420, 33838), (3080, 26587), (3388, 24170), (4235, 19336), (4834, 16940), (4840, 16919), (6776, 12085), (8470, 9668)]