30981780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{9059}}^1$

素因数の和:9093

約数の個数: 72

約数和(自身を含む): 98935200

約数和(自身を除く): 67953420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 9059, 18118, 27177, 36236, 45295, 54354, 81531, 90590, 108708, 135885, 163062, 172121, 181180, 271770, 326124, 344242, 407655, 516363, 543540, 688484, 815310, 860605, 1032726, 1549089, 1630620, 1721210, 2065452, 2581815, 3098178, 3442420, 5163630, 6196356, 7745445, 10327260, 15490890, 30981780]

約数ペア:

[(1, 30981780), (2, 15490890), (3, 10327260), (4, 7745445), (5, 6196356), (6, 5163630), (9, 3442420), (10, 3098178), (12, 2581815), (15, 2065452), (18, 1721210), (19, 1630620), (20, 1549089), (30, 1032726), (36, 860605), (38, 815310), (45, 688484), (57, 543540), (60, 516363), (76, 407655), (90, 344242), (95, 326124), (114, 271770), (171, 181180), (180, 172121), (190, 163062), (228, 135885), (285, 108708), (342, 90590), (380, 81531), (570, 54354), (684, 45295), (855, 36236), (1140, 27177), (1710, 18118), (3420, 9059)]