81142680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{14387}}^1$

素因数の和:14448

約数の個数: 64

約数和(自身を含む): 248624640

約数和(自身を除く): 167481960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 47, 60, 94, 120, 141, 188, 235, 282, 376, 470, 564, 705, 940, 1128, 1410, 1880, 2820, 5640, 14387, 28774, 43161, 57548, 71935, 86322, 115096, 143870, 172644, 215805, 287740, 345288, 431610, 575480, 676189, 863220, 1352378, 1726440, 2028567, 2704756, 3380945, 4057134, 5409512, 6761890, 8114268, 10142835, 13523780, 16228536, 20285670, 27047560, 40571340, 81142680]

約数ペア:

[(1, 81142680), (2, 40571340), (3, 27047560), (4, 20285670), (5, 16228536), (6, 13523780), (8, 10142835), (10, 8114268), (12, 6761890), (15, 5409512), (20, 4057134), (24, 3380945), (30, 2704756), (40, 2028567), (47, 1726440), (60, 1352378), (94, 863220), (120, 676189), (141, 575480), (188, 431610), (235, 345288), (282, 287740), (376, 215805), (470, 172644), (564, 143870), (705, 115096), (940, 86322), (1128, 71935), (1410, 57548), (1880, 43161), (2820, 28774), (5640, 14387)]