7208820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1381}}^1$

素因数の和:1425

約数の個数: 72

約数和(自身を含む): 22637160

約数和(自身を除く): 15428340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 870, 1044, 1305, 1381, 1740, 2610, 2762, 4143, 5220, 5524, 6905, 8286, 12429, 13810, 16572, 20715, 24858, 27620, 40049, 41430, 49716, 62145, 80098, 82860, 120147, 124290, 160196, 200245, 240294, 248580, 360441, 400490, 480588, 600735, 720882, 800980, 1201470, 1441764, 1802205, 2402940, 3604410, 7208820]

約数ペア:

[(1, 7208820), (2, 3604410), (3, 2402940), (4, 1802205), (5, 1441764), (6, 1201470), (9, 800980), (10, 720882), (12, 600735), (15, 480588), (18, 400490), (20, 360441), (29, 248580), (30, 240294), (36, 200245), (45, 160196), (58, 124290), (60, 120147), (87, 82860), (90, 80098), (116, 62145), (145, 49716), (174, 41430), (180, 40049), (261, 27620), (290, 24858), (348, 20715), (435, 16572), (522, 13810), (580, 12429), (870, 8286), (1044, 6905), (1305, 5524), (1381, 5220), (1740, 4143), (2610, 2762)]