80268720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{47779}}^1$

素因数の和:47802

約数の個数: 80

約数和(自身を含む): 284386560

約数和(自身を除く): 204117840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 47779, 95558, 143337, 191116, 238895, 286674, 334453, 382232, 477790, 573348, 668906, 716685, 764464, 955580, 1003359, 1146696, 1337812, 1433370, 1672265, 1911160, 2006718, 2293392, 2675624, 2866740, 3344530, 3822320, 4013436, 5016795, 5351248, 5733480, 6689060, 8026872, 10033590, 11466960, 13378120, 16053744, 20067180, 26756240, 40134360, 80268720]

約数ペア:

[(1, 80268720), (2, 40134360), (3, 26756240), (4, 20067180), (5, 16053744), (6, 13378120), (7, 11466960), (8, 10033590), (10, 8026872), (12, 6689060), (14, 5733480), (15, 5351248), (16, 5016795), (20, 4013436), (21, 3822320), (24, 3344530), (28, 2866740), (30, 2675624), (35, 2293392), (40, 2006718), (42, 1911160), (48, 1672265), (56, 1433370), (60, 1337812), (70, 1146696), (80, 1003359), (84, 955580), (105, 764464), (112, 716685), (120, 668906), (140, 573348), (168, 477790), (210, 382232), (240, 334453), (280, 286674), (336, 238895), (420, 191116), (560, 143337), (840, 95558), (1680, 47779)]