81650640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{340211}}^1$

素因数の和:340227

約数の個数: 40

約数和(自身を含む): 253117728

約数和(自身を除く): 171467088

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 340211, 680422, 1020633, 1360844, 1701055, 2041266, 2721688, 3402110, 4082532, 5103165, 5443376, 6804220, 8165064, 10206330, 13608440, 16330128, 20412660, 27216880, 40825320, 81650640]

約数ペア:

[(1, 81650640), (2, 40825320), (3, 27216880), (4, 20412660), (5, 16330128), (6, 13608440), (8, 10206330), (10, 8165064), (12, 6804220), (15, 5443376), (16, 5103165), (20, 4082532), (24, 3402110), (30, 2721688), (40, 2041266), (48, 1701055), (60, 1360844), (80, 1020633), (120, 680422), (240, 340211)]