81381840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{339091}}^1$

素因数の和:339107

約数の個数: 40

約数和(自身を含む): 252284448

約数和(自身を除く): 170902608

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 339091, 678182, 1017273, 1356364, 1695455, 2034546, 2712728, 3390910, 4069092, 5086365, 5425456, 6781820, 8138184, 10172730, 13563640, 16276368, 20345460, 27127280, 40690920, 81381840]

約数ペア:

[(1, 81381840), (2, 40690920), (3, 27127280), (4, 20345460), (5, 16276368), (6, 13563640), (8, 10172730), (10, 8138184), (12, 6781820), (15, 5425456), (16, 5086365), (20, 4069092), (24, 3390910), (30, 2712728), (40, 2034546), (48, 1695455), (60, 1356364), (80, 1017273), (120, 678182), (240, 339091)]