81649320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{680411}}^1$

素因数の和:680425

約数の個数: 32

約数和(自身を含む): 244948320

約数和(自身を除く): 163299000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 680411, 1360822, 2041233, 2721644, 3402055, 4082466, 5443288, 6804110, 8164932, 10206165, 13608220, 16329864, 20412330, 27216440, 40824660, 81649320]

約数ペア:

[(1, 81649320), (2, 40824660), (3, 27216440), (4, 20412330), (5, 16329864), (6, 13608220), (8, 10206165), (10, 8164932), (12, 6804110), (15, 5443288), (20, 4082466), (24, 3402055), (30, 2721644), (40, 2041233), (60, 1360822), (120, 680411)]