81192420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{451069}}^1$

素因数の和:451084

約数の個数: 36

約数和(自身を含む): 246284220

約数和(自身を除く): 165091800

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 451069, 902138, 1353207, 1804276, 2255345, 2706414, 4059621, 4510690, 5412828, 6766035, 8119242, 9021380, 13532070, 16238484, 20298105, 27064140, 40596210, 81192420]

約数ペア:

[(1, 81192420), (2, 40596210), (3, 27064140), (4, 20298105), (5, 16238484), (6, 13532070), (9, 9021380), (10, 8119242), (12, 6766035), (15, 5412828), (18, 4510690), (20, 4059621), (30, 2706414), (36, 2255345), (45, 1804276), (60, 1353207), (90, 902138), (180, 451069)]