12918060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1669}}^1$

素因数の和:1727

約数の個数: 72

約数和(自身を含む): 40120080

約数和(自身を除く): 27202020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1669, 1935, 2580, 3338, 3870, 5007, 6676, 7740, 8345, 10014, 15021, 16690, 20028, 25035, 30042, 33380, 50070, 60084, 71767, 75105, 100140, 143534, 150210, 215301, 287068, 300420, 358835, 430602, 645903, 717670, 861204, 1076505, 1291806, 1435340, 2153010, 2583612, 3229515, 4306020, 6459030, 12918060]

約数ペア:

[(1, 12918060), (2, 6459030), (3, 4306020), (4, 3229515), (5, 2583612), (6, 2153010), (9, 1435340), (10, 1291806), (12, 1076505), (15, 861204), (18, 717670), (20, 645903), (30, 430602), (36, 358835), (43, 300420), (45, 287068), (60, 215301), (86, 150210), (90, 143534), (129, 100140), (172, 75105), (180, 71767), (215, 60084), (258, 50070), (387, 33380), (430, 30042), (516, 25035), (645, 20028), (774, 16690), (860, 15021), (1290, 10014), (1548, 8345), (1669, 7740), (1935, 6676), (2580, 5007), (3338, 3870)]