15525580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2579}}^1$

素因数の和:2638

約数の個数: 48

約数和(自身を含む): 38142720

約数和(自身を除く): 22617140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 2579, 3010, 5158, 6020, 10316, 12895, 18053, 25790, 36106, 51580, 72212, 90265, 110897, 180530, 221794, 361060, 443588, 554485, 776279, 1108970, 1552558, 2217940, 3105116, 3881395, 7762790, 15525580]

約数ペア:

[(1, 15525580), (2, 7762790), (4, 3881395), (5, 3105116), (7, 2217940), (10, 1552558), (14, 1108970), (20, 776279), (28, 554485), (35, 443588), (43, 361060), (70, 221794), (86, 180530), (140, 110897), (172, 90265), (215, 72212), (301, 51580), (430, 36106), (602, 25790), (860, 18053), (1204, 12895), (1505, 10316), (2579, 6020), (3010, 5158)]