123012720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{170851}}^1$

素因数の和:170870

約数の個数: 60

約数和(自身を含む): 413120136

約数和(自身を除く): 290107416

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 170851, 341702, 512553, 683404, 854255, 1025106, 1366808, 1537659, 1708510, 2050212, 2562765, 2733616, 3075318, 3417020, 4100424, 5125530, 6150636, 6834040, 7688295, 8200848, 10251060, 12301272, 13668080, 15376590, 20502120, 24602544, 30753180, 41004240, 61506360, 123012720]

約数ペア:

[(1, 123012720), (2, 61506360), (3, 41004240), (4, 30753180), (5, 24602544), (6, 20502120), (8, 15376590), (9, 13668080), (10, 12301272), (12, 10251060), (15, 8200848), (16, 7688295), (18, 6834040), (20, 6150636), (24, 5125530), (30, 4100424), (36, 3417020), (40, 3075318), (45, 2733616), (48, 2562765), (60, 2050212), (72, 1708510), (80, 1537659), (90, 1366808), (120, 1025106), (144, 854255), (180, 683404), (240, 512553), (360, 341702), (720, 170851)]