12706820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1$

素因数の和:333

約数の個数: 96

約数和(自身を含む): 34110720

約数和(自身を除く): 21403900

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 19, 20, 28, 34, 35, 38, 68, 70, 76, 85, 95, 119, 133, 140, 170, 190, 238, 266, 281, 323, 340, 380, 476, 532, 562, 595, 646, 665, 1124, 1190, 1292, 1330, 1405, 1615, 1967, 2261, 2380, 2660, 2810, 3230, 3934, 4522, 4777, 5339, 5620, 6460, 7868, 9044, 9554, 9835, 10678, 11305, 19108, 19670, 21356, 22610, 23885, 26695, 33439, 37373, 39340, 45220, 47770, 53390, 66878, 74746, 90763, 95540, 106780, 133756, 149492, 167195, 181526, 186865, 334390, 363052, 373730, 453815, 635341, 668780, 747460, 907630, 1270682, 1815260, 2541364, 3176705, 6353410, 12706820]

約数ペア:

[(1, 12706820), (2, 6353410), (4, 3176705), (5, 2541364), (7, 1815260), (10, 1270682), (14, 907630), (17, 747460), (19, 668780), (20, 635341), (28, 453815), (34, 373730), (35, 363052), (38, 334390), (68, 186865), (70, 181526), (76, 167195), (85, 149492), (95, 133756), (119, 106780), (133, 95540), (140, 90763), (170, 74746), (190, 66878), (238, 53390), (266, 47770), (281, 45220), (323, 39340), (340, 37373), (380, 33439), (476, 26695), (532, 23885), (562, 22610), (595, 21356), (646, 19670), (665, 19108), (1124, 11305), (1190, 10678), (1292, 9835), (1330, 9554), (1405, 9044), (1615, 7868), (1967, 6460), (2261, 5620), (2380, 5339), (2660, 4777), (2810, 4522), (3230, 3934)]