15665220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{3001}}^1$

素因数の和:3045

約数の個数: 72

約数和(自身を含む): 49172760

約数和(自身を除く): 33507540

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, 1740, 2610, 3001, 5220, 6002, 9003, 12004, 15005, 18006, 27009, 30010, 36012, 45015, 54018, 60020, 87029, 90030, 108036, 135045, 174058, 180060, 261087, 270090, 348116, 435145, 522174, 540180, 783261, 870290, 1044348, 1305435, 1566522, 1740580, 2610870, 3133044, 3916305, 5221740, 7832610, 15665220]

約数ペア:

[(1, 15665220), (2, 7832610), (3, 5221740), (4, 3916305), (5, 3133044), (6, 2610870), (9, 1740580), (10, 1566522), (12, 1305435), (15, 1044348), (18, 870290), (20, 783261), (29, 540180), (30, 522174), (36, 435145), (45, 348116), (58, 270090), (60, 261087), (87, 180060), (90, 174058), (116, 135045), (145, 108036), (174, 90030), (180, 87029), (261, 60020), (290, 54018), (348, 45015), (435, 36012), (522, 30010), (580, 27009), (870, 18006), (1044, 15005), (1305, 12004), (1740, 9003), (2610, 6002), (3001, 5220)]