16540380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2137}}^1$

素因数の和:2195

約数の個数: 72

約数和(自身を含む): 51363312

約数和(自身を除く): 34822932

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, 2137, 2580, 3870, 4274, 6411, 7740, 8548, 10685, 12822, 19233, 21370, 25644, 32055, 38466, 42740, 64110, 76932, 91891, 96165, 128220, 183782, 192330, 275673, 367564, 384660, 459455, 551346, 827019, 918910, 1102692, 1378365, 1654038, 1837820, 2756730, 3308076, 4135095, 5513460, 8270190, 16540380]

約数ペア:

[(1, 16540380), (2, 8270190), (3, 5513460), (4, 4135095), (5, 3308076), (6, 2756730), (9, 1837820), (10, 1654038), (12, 1378365), (15, 1102692), (18, 918910), (20, 827019), (30, 551346), (36, 459455), (43, 384660), (45, 367564), (60, 275673), (86, 192330), (90, 183782), (129, 128220), (172, 96165), (180, 91891), (215, 76932), (258, 64110), (387, 42740), (430, 38466), (516, 32055), (645, 25644), (774, 21370), (860, 19233), (1290, 12822), (1548, 10685), (1935, 8548), (2137, 7740), (2580, 6411), (3870, 4274)]