180879120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{251221}}^1$

素因数の和:251240

約数の個数: 60

約数和(自身を含む): 607454796

約数和(自身を除く): 426575676

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, 251221, 502442, 753663, 1004884, 1256105, 1507326, 2009768, 2260989, 2512210, 3014652, 3768315, 4019536, 4521978, 5024420, 6029304, 7536630, 9043956, 10048840, 11304945, 12058608, 15073260, 18087912, 20097680, 22609890, 30146520, 36175824, 45219780, 60293040, 90439560, 180879120]

約数ペア:

[(1, 180879120), (2, 90439560), (3, 60293040), (4, 45219780), (5, 36175824), (6, 30146520), (8, 22609890), (9, 20097680), (10, 18087912), (12, 15073260), (15, 12058608), (16, 11304945), (18, 10048840), (20, 9043956), (24, 7536630), (30, 6029304), (36, 5024420), (40, 4521978), (45, 4019536), (48, 3768315), (60, 3014652), (72, 2512210), (80, 2260989), (90, 2009768), (120, 1507326), (144, 1256105), (180, 1004884), (240, 753663), (360, 502442), (720, 251221)]