30915740

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{353}}^1$

素因数の和:542

約数の個数: 48

約数和(自身を含む): 67798080

約数和(自身を除く): 36882340

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 151, 290, 302, 353, 580, 604, 706, 755, 1412, 1510, 1765, 3020, 3530, 4379, 7060, 8758, 10237, 17516, 20474, 21895, 40948, 43790, 51185, 53303, 87580, 102370, 106606, 204740, 213212, 266515, 533030, 1066060, 1545787, 3091574, 6183148, 7728935, 15457870, 30915740]

約数ペア:

[(1, 30915740), (2, 15457870), (4, 7728935), (5, 6183148), (10, 3091574), (20, 1545787), (29, 1066060), (58, 533030), (116, 266515), (145, 213212), (151, 204740), (290, 106606), (302, 102370), (353, 87580), (580, 53303), (604, 51185), (706, 43790), (755, 40948), (1412, 21895), (1510, 20474), (1765, 17516), (3020, 10237), (3530, 8758), (4379, 7060)]