68496660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{859}}^1$

素因数の和:1317

約数の個数: 72

約数和(自身を含む): 208484640

約数和(自身を除く): 139987980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 443, 859, 886, 1329, 1718, 1772, 2215, 2577, 2658, 3436, 3987, 4295, 4430, 5154, 5316, 6645, 7731, 7974, 8590, 8860, 10308, 12885, 13290, 15462, 15948, 17180, 19935, 25770, 26580, 30924, 38655, 39870, 51540, 77310, 79740, 154620, 380537, 761074, 1141611, 1522148, 1902685, 2283222, 3424833, 3805370, 4566444, 5708055, 6849666, 7610740, 11416110, 13699332, 17124165, 22832220, 34248330, 68496660]

約数ペア:

[(1, 68496660), (2, 34248330), (3, 22832220), (4, 17124165), (5, 13699332), (6, 11416110), (9, 7610740), (10, 6849666), (12, 5708055), (15, 4566444), (18, 3805370), (20, 3424833), (30, 2283222), (36, 1902685), (45, 1522148), (60, 1141611), (90, 761074), (180, 380537), (443, 154620), (859, 79740), (886, 77310), (1329, 51540), (1718, 39870), (1772, 38655), (2215, 30924), (2577, 26580), (2658, 25770), (3436, 19935), (3987, 17180), (4295, 15948), (4430, 15462), (5154, 13290), (5316, 12885), (6645, 10308), (7731, 8860), (7974, 8590)]