389727180

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31379}}^1$

素因数の和:31420

約数の個数: 96

約数和(自身を含む): 1265241600

約数和(自身を除く): 875514420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 27, 30, 36, 45, 46, 54, 60, 69, 90, 92, 108, 115, 135, 138, 180, 207, 230, 270, 276, 345, 414, 460, 540, 621, 690, 828, 1035, 1242, 1380, 2070, 2484, 3105, 4140, 6210, 12420, 31379, 62758, 94137, 125516, 156895, 188274, 282411, 313790, 376548, 470685, 564822, 627580, 721717, 847233, 941370, 1129644, 1412055, 1443434, 1694466, 1882740, 2165151, 2824110, 2886868, 3388932, 3608585, 4236165, 4330302, 5648220, 6495453, 7217170, 8472330, 8660604, 10825755, 12990906, 14434340, 16944660, 19486359, 21651510, 25981812, 32477265, 38972718, 43303020, 64954530, 77945436, 97431795, 129909060, 194863590, 389727180]

約数ペア:

[(1, 389727180), (2, 194863590), (3, 129909060), (4, 97431795), (5, 77945436), (6, 64954530), (9, 43303020), (10, 38972718), (12, 32477265), (15, 25981812), (18, 21651510), (20, 19486359), (23, 16944660), (27, 14434340), (30, 12990906), (36, 10825755), (45, 8660604), (46, 8472330), (54, 7217170), (60, 6495453), (69, 5648220), (90, 4330302), (92, 4236165), (108, 3608585), (115, 3388932), (135, 2886868), (138, 2824110), (180, 2165151), (207, 1882740), (230, 1694466), (270, 1443434), (276, 1412055), (345, 1129644), (414, 941370), (460, 847233), (540, 721717), (621, 627580), (690, 564822), (828, 470685), (1035, 376548), (1242, 313790), (1380, 282411), (2070, 188274), (2484, 156895), (3105, 125516), (4140, 94137), (6210, 62758), (12420, 31379)]