8738460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1129}}^1$

素因数の和:1187

約数の個数: 72

約数和(自身を含む): 27147120

約数和(自身を除く): 18408660

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, 1129, 1290, 1548, 1935, 2258, 2580, 3387, 3870, 4516, 5645, 6774, 7740, 10161, 11290, 13548, 16935, 20322, 22580, 33870, 40644, 48547, 50805, 67740, 97094, 101610, 145641, 194188, 203220, 242735, 291282, 436923, 485470, 582564, 728205, 873846, 970940, 1456410, 1747692, 2184615, 2912820, 4369230, 8738460]

約数ペア:

[(1, 8738460), (2, 4369230), (3, 2912820), (4, 2184615), (5, 1747692), (6, 1456410), (9, 970940), (10, 873846), (12, 728205), (15, 582564), (18, 485470), (20, 436923), (30, 291282), (36, 242735), (43, 203220), (45, 194188), (60, 145641), (86, 101610), (90, 97094), (129, 67740), (172, 50805), (180, 48547), (215, 40644), (258, 33870), (387, 22580), (430, 20322), (516, 16935), (645, 13548), (774, 11290), (860, 10161), (1129, 7740), (1290, 6774), (1548, 5645), (1935, 4516), (2258, 3870), (2580, 3387)]