90201780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{501121}}^1$

素因数の和:501136

約数の個数: 36

約数和(自身を含む): 273612612

約数和(自身を除く): 183410832

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 501121, 1002242, 1503363, 2004484, 2505605, 3006726, 4510089, 5011210, 6013452, 7516815, 9020178, 10022420, 15033630, 18040356, 22550445, 30067260, 45100890, 90201780]

約数ペア:

[(1, 90201780), (2, 45100890), (3, 30067260), (4, 22550445), (5, 18040356), (6, 15033630), (9, 10022420), (10, 9020178), (12, 7516815), (15, 6013452), (18, 5011210), (20, 4510089), (30, 3006726), (36, 2505605), (45, 2004484), (60, 1503363), (90, 1002242), (180, 501121)]