71715780

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{44269}}^1$

素因数の和:44290

約数の個数: 60

約数和(自身を含む): 224980140

約数和(自身を除く): 153264360

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 44269, 88538, 132807, 177076, 221345, 265614, 398421, 442690, 531228, 664035, 796842, 885380, 1195263, 1328070, 1593684, 1992105, 2390526, 2656140, 3585789, 3984210, 4781052, 5976315, 7171578, 7968420, 11952630, 14343156, 17928945, 23905260, 35857890, 71715780]

約数ペア:

[(1, 71715780), (2, 35857890), (3, 23905260), (4, 17928945), (5, 14343156), (6, 11952630), (9, 7968420), (10, 7171578), (12, 5976315), (15, 4781052), (18, 3984210), (20, 3585789), (27, 2656140), (30, 2390526), (36, 1992105), (45, 1593684), (54, 1328070), (60, 1195263), (81, 885380), (90, 796842), (108, 664035), (135, 531228), (162, 442690), (180, 398421), (270, 265614), (324, 221345), (405, 177076), (540, 132807), (810, 88538), (1620, 44269)]