7578280

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:226

約数の個数: 64

約数和(自身を含む): 18144000

約数和(自身を除く): 10565720

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 47, 58, 94, 116, 139, 145, 188, 232, 235, 278, 290, 376, 470, 556, 580, 695, 940, 1112, 1160, 1363, 1390, 1880, 2726, 2780, 4031, 5452, 5560, 6533, 6815, 8062, 10904, 13066, 13630, 16124, 20155, 26132, 27260, 32248, 32665, 40310, 52264, 54520, 65330, 80620, 130660, 161240, 189457, 261320, 378914, 757828, 947285, 1515656, 1894570, 3789140, 7578280]

約数ペア:

[(1, 7578280), (2, 3789140), (4, 1894570), (5, 1515656), (8, 947285), (10, 757828), (20, 378914), (29, 261320), (40, 189457), (47, 161240), (58, 130660), (94, 80620), (116, 65330), (139, 54520), (145, 52264), (188, 40310), (232, 32665), (235, 32248), (278, 27260), (290, 26132), (376, 20155), (470, 16124), (556, 13630), (580, 13066), (695, 10904), (940, 8062), (1112, 6815), (1160, 6533), (1363, 5560), (1390, 5452), (1880, 4031), (2726, 2780)]