68704720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1553}}^1$

素因数の和:1652

約数の個数: 80

約数和(自身を含む): 184988160

約数和(自身を除く): 116283440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 79, 80, 112, 140, 158, 280, 316, 395, 553, 560, 632, 790, 1106, 1264, 1553, 1580, 2212, 2765, 3106, 3160, 4424, 5530, 6212, 6320, 7765, 8848, 10871, 11060, 12424, 15530, 21742, 22120, 24848, 31060, 43484, 44240, 54355, 62120, 86968, 108710, 122687, 124240, 173936, 217420, 245374, 434840, 490748, 613435, 858809, 869680, 981496, 1226870, 1717618, 1962992, 2453740, 3435236, 4294045, 4907480, 6870472, 8588090, 9814960, 13740944, 17176180, 34352360, 68704720]

約数ペア:

[(1, 68704720), (2, 34352360), (4, 17176180), (5, 13740944), (7, 9814960), (8, 8588090), (10, 6870472), (14, 4907480), (16, 4294045), (20, 3435236), (28, 2453740), (35, 1962992), (40, 1717618), (56, 1226870), (70, 981496), (79, 869680), (80, 858809), (112, 613435), (140, 490748), (158, 434840), (280, 245374), (316, 217420), (395, 173936), (553, 124240), (560, 122687), (632, 108710), (790, 86968), (1106, 62120), (1264, 54355), (1553, 44240), (1580, 43484), (2212, 31060), (2765, 24848), (3106, 22120), (3160, 21742), (4424, 15530), (5530, 12424), (6212, 11060), (6320, 10871), (7765, 8848)]