90439560

素因数分解:

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

素因数の和:251238

約数の個数: 48

約数和(自身を含む): 293929740

約数和(自身を除く): 203490180

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 251221, 502442, 753663, 1004884, 1256105, 1507326, 2009768, 2260989, 2512210, 3014652, 3768315, 4521978, 5024420, 6029304, 7536630, 9043956, 10048840, 11304945, 15073260, 18087912, 22609890, 30146520, 45219780, 90439560]

約数ペア:

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