15967620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2063}}^1$

素因数の和:2121

約数の個数: 72

約数和(自身を含む): 49585536

約数和(自身を除く): 33617916

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, 1935, 2063, 2580, 3870, 4126, 6189, 7740, 8252, 10315, 12378, 18567, 20630, 24756, 30945, 37134, 41260, 61890, 74268, 88709, 92835, 123780, 177418, 185670, 266127, 354836, 371340, 443545, 532254, 798381, 887090, 1064508, 1330635, 1596762, 1774180, 2661270, 3193524, 3991905, 5322540, 7983810, 15967620]

約数ペア:

[(1, 15967620), (2, 7983810), (3, 5322540), (4, 3991905), (5, 3193524), (6, 2661270), (9, 1774180), (10, 1596762), (12, 1330635), (15, 1064508), (18, 887090), (20, 798381), (30, 532254), (36, 443545), (43, 371340), (45, 354836), (60, 266127), (86, 185670), (90, 177418), (129, 123780), (172, 92835), (180, 88709), (215, 74268), (258, 61890), (387, 41260), (430, 37134), (516, 30945), (645, 24756), (774, 20630), (860, 18567), (1290, 12378), (1548, 10315), (1935, 8252), (2063, 7740), (2580, 6189), (3870, 4126)]