71828940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41281}}^1$

素因数の和:41322

約数の個数: 48

約数和(自身を含む): 208061280

約数和(自身を除く): 136232340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 435, 580, 870, 1740, 41281, 82562, 123843, 165124, 206405, 247686, 412810, 495372, 619215, 825620, 1197149, 1238430, 2394298, 2476860, 3591447, 4788596, 5985745, 7182894, 11971490, 14365788, 17957235, 23942980, 35914470, 71828940]

約数ペア:

[(1, 71828940), (2, 35914470), (3, 23942980), (4, 17957235), (5, 14365788), (6, 11971490), (10, 7182894), (12, 5985745), (15, 4788596), (20, 3591447), (29, 2476860), (30, 2394298), (58, 1238430), (60, 1197149), (87, 825620), (116, 619215), (145, 495372), (174, 412810), (290, 247686), (348, 206405), (435, 165124), (580, 123843), (870, 82562), (1740, 41281)]