78302680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{115151}}^1$

素因数の和:115179

約数の個数: 32

約数和(自身を含む): 186546240

約数和(自身を除く): 108243560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 115151, 230302, 460604, 575755, 921208, 1151510, 1957567, 2303020, 3915134, 4606040, 7830268, 9787835, 15660536, 19575670, 39151340, 78302680]

約数ペア:

[(1, 78302680), (2, 39151340), (4, 19575670), (5, 15660536), (8, 9787835), (10, 7830268), (17, 4606040), (20, 3915134), (34, 2303020), (40, 1957567), (68, 1151510), (85, 921208), (136, 575755), (170, 460604), (340, 230302), (680, 115151)]