78718140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23017}}^1$

素因数の和:23051

約数の個数: 72

約数和(自身を含む): 251356560

約数和(自身を除く): 172638420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 23017, 46034, 69051, 92068, 115085, 138102, 207153, 230170, 276204, 345255, 414306, 437323, 460340, 690510, 828612, 874646, 1035765, 1311969, 1381020, 1749292, 2071530, 2186615, 2623938, 3935907, 4143060, 4373230, 5247876, 6559845, 7871814, 8746460, 13119690, 15743628, 19679535, 26239380, 39359070, 78718140]

約数ペア:

[(1, 78718140), (2, 39359070), (3, 26239380), (4, 19679535), (5, 15743628), (6, 13119690), (9, 8746460), (10, 7871814), (12, 6559845), (15, 5247876), (18, 4373230), (19, 4143060), (20, 3935907), (30, 2623938), (36, 2186615), (38, 2071530), (45, 1749292), (57, 1381020), (60, 1311969), (76, 1035765), (90, 874646), (95, 828612), (114, 690510), (171, 460340), (180, 437323), (190, 414306), (228, 345255), (285, 276204), (342, 230170), (380, 207153), (570, 138102), (684, 115085), (855, 92068), (1140, 69051), (1710, 46034), (3420, 23017)]