138709920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{288979}}^1$

素因数の和:288997

約数の個数: 48

約数和(自身を含む): 436937760

約数和(自身を除く): 298227840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 288979, 577958, 866937, 1155916, 1444895, 1733874, 2311832, 2889790, 3467748, 4334685, 4623664, 5779580, 6935496, 8669370, 9247328, 11559160, 13870992, 17338740, 23118320, 27741984, 34677480, 46236640, 69354960, 138709920]

約数ペア:

[(1, 138709920), (2, 69354960), (3, 46236640), (4, 34677480), (5, 27741984), (6, 23118320), (8, 17338740), (10, 13870992), (12, 11559160), (15, 9247328), (16, 8669370), (20, 6935496), (24, 5779580), (30, 4623664), (32, 4334685), (40, 3467748), (48, 2889790), (60, 2311832), (80, 1733874), (96, 1444895), (120, 1155916), (160, 866937), (240, 577958), (480, 288979)]