68941680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{287257}}^1$

素因数の和:287273

約数の個数: 40

約数和(自身を含む): 213719952

約数和(自身を除く): 144778272

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 287257, 574514, 861771, 1149028, 1436285, 1723542, 2298056, 2872570, 3447084, 4308855, 4596112, 5745140, 6894168, 8617710, 11490280, 13788336, 17235420, 22980560, 34470840, 68941680]

約数ペア:

[(1, 68941680), (2, 34470840), (3, 22980560), (4, 17235420), (5, 13788336), (6, 11490280), (8, 8617710), (10, 6894168), (12, 5745140), (15, 4596112), (16, 4308855), (20, 3447084), (24, 2872570), (30, 2298056), (40, 1723542), (48, 1436285), (60, 1149028), (80, 861771), (120, 574514), (240, 287257)]