40284840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{863}}^1$

素因数の和:1266

約数の個数: 64

約数和(自身を含む): 121305600

約数和(自身を除く): 81020760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 389, 778, 863, 1167, 1556, 1726, 1945, 2334, 2589, 3112, 3452, 3890, 4315, 4668, 5178, 5835, 6904, 7780, 8630, 9336, 10356, 11670, 12945, 15560, 17260, 20712, 23340, 25890, 34520, 46680, 51780, 103560, 335707, 671414, 1007121, 1342828, 1678535, 2014242, 2685656, 3357070, 4028484, 5035605, 6714140, 8056968, 10071210, 13428280, 20142420, 40284840]

約数ペア:

[(1, 40284840), (2, 20142420), (3, 13428280), (4, 10071210), (5, 8056968), (6, 6714140), (8, 5035605), (10, 4028484), (12, 3357070), (15, 2685656), (20, 2014242), (24, 1678535), (30, 1342828), (40, 1007121), (60, 671414), (120, 335707), (389, 103560), (778, 51780), (863, 46680), (1167, 34520), (1556, 25890), (1726, 23340), (1945, 20712), (2334, 17260), (2589, 15560), (3112, 12945), (3452, 11670), (3890, 10356), (4315, 9336), (4668, 8630), (5178, 7780), (5835, 6904)]