18612180

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{11489}}^1$

素因数の和:11510

約数の個数: 60

約数和(自身を含む): 58392180

約数和(自身を除く): 39780000

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 11489, 22978, 34467, 45956, 57445, 68934, 103401, 114890, 137868, 172335, 206802, 229780, 310203, 344670, 413604, 517005, 620406, 689340, 930609, 1034010, 1240812, 1551015, 1861218, 2068020, 3102030, 3722436, 4653045, 6204060, 9306090, 18612180]

約数ペア:

[(1, 18612180), (2, 9306090), (3, 6204060), (4, 4653045), (5, 3722436), (6, 3102030), (9, 2068020), (10, 1861218), (12, 1551015), (15, 1240812), (18, 1034010), (20, 930609), (27, 689340), (30, 620406), (36, 517005), (45, 413604), (54, 344670), (60, 310203), (81, 229780), (90, 206802), (108, 172335), (135, 137868), (162, 114890), (180, 103401), (270, 68934), (324, 57445), (405, 45956), (540, 34467), (810, 22978), (1620, 11489)]