215254620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{170837}}^1$

素因数の和:170859

約数の個数: 72

約数和(自身を含む): 746220384

約数和(自身を除く): 530965764

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 170837, 341674, 512511, 683348, 854185, 1025022, 1195859, 1537533, 1708370, 2050044, 2391718, 2562555, 3075066, 3416740, 3587577, 4783436, 5125110, 5979295, 6150132, 7175154, 7687665, 10250220, 10762731, 11958590, 14350308, 15375330, 17937885, 21525462, 23917180, 30750660, 35875770, 43050924, 53813655, 71751540, 107627310, 215254620]

約数ペア:

[(1, 215254620), (2, 107627310), (3, 71751540), (4, 53813655), (5, 43050924), (6, 35875770), (7, 30750660), (9, 23917180), (10, 21525462), (12, 17937885), (14, 15375330), (15, 14350308), (18, 11958590), (20, 10762731), (21, 10250220), (28, 7687665), (30, 7175154), (35, 6150132), (36, 5979295), (42, 5125110), (45, 4783436), (60, 3587577), (63, 3416740), (70, 3075066), (84, 2562555), (90, 2391718), (105, 2050044), (126, 1708370), (140, 1537533), (180, 1195859), (210, 1025022), (252, 854185), (315, 683348), (420, 512511), (630, 341674), (1260, 170837)]