260520015

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{8243}}^1$

素因数の和:8308

約数の個数: 48

約数和(自身を含む): 496222848

約数和(自身を除く): 235702833

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 49, 105, 129, 147, 215, 245, 301, 645, 735, 903, 1505, 2107, 4515, 6321, 8243, 10535, 24729, 31605, 41215, 57701, 123645, 173103, 288505, 354449, 403907, 865515, 1063347, 1211721, 1772245, 2019535, 2481143, 5316735, 6058605, 7443429, 12405715, 17368001, 37217145, 52104003, 86840005, 260520015]

約数ペア:

[(1, 260520015), (3, 86840005), (5, 52104003), (7, 37217145), (15, 17368001), (21, 12405715), (35, 7443429), (43, 6058605), (49, 5316735), (105, 2481143), (129, 2019535), (147, 1772245), (215, 1211721), (245, 1063347), (301, 865515), (645, 403907), (735, 354449), (903, 288505), (1505, 173103), (2107, 123645), (4515, 57701), (6321, 41215), (8243, 31605), (10535, 24729)]