79626680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{2609}}^1$

素因数の和:2736

約数の個数: 64

約数和(自身を含む): 206712000

約数和(自身を除く): 127085320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 109, 140, 218, 280, 436, 545, 763, 872, 1090, 1526, 2180, 2609, 3052, 3815, 4360, 5218, 6104, 7630, 10436, 13045, 15260, 18263, 20872, 26090, 30520, 36526, 52180, 73052, 91315, 104360, 146104, 182630, 284381, 365260, 568762, 730520, 1137524, 1421905, 1990667, 2275048, 2843810, 3981334, 5687620, 7962668, 9953335, 11375240, 15925336, 19906670, 39813340, 79626680]

約数ペア:

[(1, 79626680), (2, 39813340), (4, 19906670), (5, 15925336), (7, 11375240), (8, 9953335), (10, 7962668), (14, 5687620), (20, 3981334), (28, 2843810), (35, 2275048), (40, 1990667), (56, 1421905), (70, 1137524), (109, 730520), (140, 568762), (218, 365260), (280, 284381), (436, 182630), (545, 146104), (763, 104360), (872, 91315), (1090, 73052), (1526, 52180), (2180, 36526), (2609, 30520), (3052, 26090), (3815, 20872), (4360, 18263), (5218, 15260), (6104, 13045), (7630, 10436)]