206967780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1279}}^1$

素因数の和:1354

約数の個数: 144

約数和(自身を含む): 670924800

約数和(自身を除く): 463957020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 31, 36, 45, 58, 60, 62, 87, 90, 93, 116, 124, 145, 155, 174, 180, 186, 261, 279, 290, 310, 348, 372, 435, 465, 522, 558, 580, 620, 870, 899, 930, 1044, 1116, 1279, 1305, 1395, 1740, 1798, 1860, 2558, 2610, 2697, 2790, 3596, 3837, 4495, 5116, 5220, 5394, 5580, 6395, 7674, 8091, 8990, 10788, 11511, 12790, 13485, 15348, 16182, 17980, 19185, 23022, 25580, 26970, 32364, 37091, 38370, 39649, 40455, 46044, 53940, 57555, 74182, 76740, 79298, 80910, 111273, 115110, 118947, 148364, 158596, 161820, 185455, 198245, 222546, 230220, 237894, 333819, 356841, 370910, 396490, 445092, 475788, 556365, 594735, 667638, 713682, 741820, 792980, 1112730, 1149821, 1189470, 1335276, 1427364, 1669095, 1784205, 2225460, 2299642, 2378940, 3338190, 3449463, 3568410, 4599284, 5749105, 6676380, 6898926, 7136820, 10348389, 11498210, 13797852, 17247315, 20696778, 22996420, 34494630, 41393556, 51741945, 68989260, 103483890, 206967780]

約数ペア:

[(1, 206967780), (2, 103483890), (3, 68989260), (4, 51741945), (5, 41393556), (6, 34494630), (9, 22996420), (10, 20696778), (12, 17247315), (15, 13797852), (18, 11498210), (20, 10348389), (29, 7136820), (30, 6898926), (31, 6676380), (36, 5749105), (45, 4599284), (58, 3568410), (60, 3449463), (62, 3338190), (87, 2378940), (90, 2299642), (93, 2225460), (116, 1784205), (124, 1669095), (145, 1427364), (155, 1335276), (174, 1189470), (180, 1149821), (186, 1112730), (261, 792980), (279, 741820), (290, 713682), (310, 667638), (348, 594735), (372, 556365), (435, 475788), (465, 445092), (522, 396490), (558, 370910), (580, 356841), (620, 333819), (870, 237894), (899, 230220), (930, 222546), (1044, 198245), (1116, 185455), (1279, 161820), (1305, 158596), (1395, 148364), (1740, 118947), (1798, 115110), (1860, 111273), (2558, 80910), (2610, 79298), (2697, 76740), (2790, 74182), (3596, 57555), (3837, 53940), (4495, 46044), (5116, 40455), (5220, 39649), (5394, 38370), (5580, 37091), (6395, 32364), (7674, 26970), (8091, 25580), (8990, 23022), (10788, 19185), (11511, 17980), (12790, 16182), (13485, 15348)]