257897040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{349}}^1\times {\mathrm{3079}}^1$

素因数の和:3444

約数の個数: 80

約数和(自身を含む): 802032000

約数和(自身を除く): 544134960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 349, 698, 1047, 1396, 1745, 2094, 2792, 3079, 3490, 4188, 5235, 5584, 6158, 6980, 8376, 9237, 10470, 12316, 13960, 15395, 16752, 18474, 20940, 24632, 27920, 30790, 36948, 41880, 46185, 49264, 61580, 73896, 83760, 92370, 123160, 147792, 184740, 246320, 369480, 738960, 1074571, 2149142, 3223713, 4298284, 5372855, 6447426, 8596568, 10745710, 12894852, 16118565, 17193136, 21491420, 25789704, 32237130, 42982840, 51579408, 64474260, 85965680, 128948520, 257897040]

約数ペア:

[(1, 257897040), (2, 128948520), (3, 85965680), (4, 64474260), (5, 51579408), (6, 42982840), (8, 32237130), (10, 25789704), (12, 21491420), (15, 17193136), (16, 16118565), (20, 12894852), (24, 10745710), (30, 8596568), (40, 6447426), (48, 5372855), (60, 4298284), (80, 3223713), (120, 2149142), (240, 1074571), (349, 738960), (698, 369480), (1047, 246320), (1396, 184740), (1745, 147792), (2094, 123160), (2792, 92370), (3079, 83760), (3490, 73896), (4188, 61580), (5235, 49264), (5584, 46185), (6158, 41880), (6980, 36948), (8376, 30790), (9237, 27920), (10470, 24632), (12316, 20940), (13960, 18474), (15395, 16752)]