81806100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{9403}}^1$

素因数の和:9449

約数の個数: 72

約数和(自身を含む): 244880160

約数和(自身を除く): 163074060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 29, 30, 50, 58, 60, 75, 87, 100, 116, 145, 150, 174, 290, 300, 348, 435, 580, 725, 870, 1450, 1740, 2175, 2900, 4350, 8700, 9403, 18806, 28209, 37612, 47015, 56418, 94030, 112836, 141045, 188060, 235075, 272687, 282090, 470150, 545374, 564180, 705225, 818061, 940300, 1090748, 1363435, 1410450, 1636122, 2726870, 2820900, 3272244, 4090305, 5453740, 6817175, 8180610, 13634350, 16361220, 20451525, 27268700, 40903050, 81806100]

約数ペア:

[(1, 81806100), (2, 40903050), (3, 27268700), (4, 20451525), (5, 16361220), (6, 13634350), (10, 8180610), (12, 6817175), (15, 5453740), (20, 4090305), (25, 3272244), (29, 2820900), (30, 2726870), (50, 1636122), (58, 1410450), (60, 1363435), (75, 1090748), (87, 940300), (100, 818061), (116, 705225), (145, 564180), (150, 545374), (174, 470150), (290, 282090), (300, 272687), (348, 235075), (435, 188060), (580, 141045), (725, 112836), (870, 94030), (1450, 56418), (1740, 47015), (2175, 37612), (2900, 28209), (4350, 18806), (8700, 9403)]