128970960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{537379}}^1$

素因数の和:537395

約数の個数: 40

約数和(自身を含む): 399810720

約数和(自身を除く): 270839760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 537379, 1074758, 1612137, 2149516, 2686895, 3224274, 4299032, 5373790, 6448548, 8060685, 8598064, 10747580, 12897096, 16121370, 21495160, 25794192, 32242740, 42990320, 64485480, 128970960]

約数ペア:

[(1, 128970960), (2, 64485480), (3, 42990320), (4, 32242740), (5, 25794192), (6, 21495160), (8, 16121370), (10, 12897096), (12, 10747580), (15, 8598064), (16, 8060685), (20, 6448548), (24, 5373790), (30, 4299032), (40, 3224274), (48, 2686895), (60, 2149516), (80, 1612137), (120, 1074758), (240, 537379)]