30420680

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{11351}}^1$

素因数の和:11429

約数の個数: 32

約数和(自身を含む): 69474240

約数和(自身を除く): 39053560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 11351, 22702, 45404, 56755, 90808, 113510, 227020, 454040, 760517, 1521034, 3042068, 3802585, 6084136, 7605170, 15210340, 30420680]

約数ペア:

[(1, 30420680), (2, 15210340), (4, 7605170), (5, 6084136), (8, 3802585), (10, 3042068), (20, 1521034), (40, 760517), (67, 454040), (134, 227020), (268, 113510), (335, 90808), (536, 56755), (670, 45404), (1340, 22702), (2680, 11351)]