258357680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37}}^2\times {\mathrm{337}}^1$

素因数の和:431

約数の個数: 120

約数和(自身を含む): 707642208

約数和(自身を除く): 449284528

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 56, 70, 74, 80, 112, 140, 148, 185, 259, 280, 296, 337, 370, 518, 560, 592, 674, 740, 1036, 1295, 1348, 1369, 1480, 1685, 2072, 2359, 2590, 2696, 2738, 2960, 3370, 4144, 4718, 5180, 5392, 5476, 6740, 6845, 9436, 9583, 10360, 10952, 11795, 12469, 13480, 13690, 18872, 19166, 20720, 21904, 23590, 24938, 26960, 27380, 37744, 38332, 47180, 47915, 49876, 54760, 62345, 76664, 87283, 94360, 95830, 99752, 109520, 124690, 153328, 174566, 188720, 191660, 199504, 249380, 349132, 383320, 436415, 461353, 498760, 698264, 766640, 872830, 922706, 997520, 1396528, 1745660, 1845412, 2306765, 3229471, 3491320, 3690824, 4613530, 6458942, 6982640, 7381648, 9227060, 12917884, 16147355, 18454120, 25835768, 32294710, 36908240, 51671536, 64589420, 129178840, 258357680]

約数ペア:

[(1, 258357680), (2, 129178840), (4, 64589420), (5, 51671536), (7, 36908240), (8, 32294710), (10, 25835768), (14, 18454120), (16, 16147355), (20, 12917884), (28, 9227060), (35, 7381648), (37, 6982640), (40, 6458942), (56, 4613530), (70, 3690824), (74, 3491320), (80, 3229471), (112, 2306765), (140, 1845412), (148, 1745660), (185, 1396528), (259, 997520), (280, 922706), (296, 872830), (337, 766640), (370, 698264), (518, 498760), (560, 461353), (592, 436415), (674, 383320), (740, 349132), (1036, 249380), (1295, 199504), (1348, 191660), (1369, 188720), (1480, 174566), (1685, 153328), (2072, 124690), (2359, 109520), (2590, 99752), (2696, 95830), (2738, 94360), (2960, 87283), (3370, 76664), (4144, 62345), (4718, 54760), (5180, 49876), (5392, 47915), (5476, 47180), (6740, 38332), (6845, 37744), (9436, 27380), (9583, 26960), (10360, 24938), (10952, 23590), (11795, 21904), (12469, 20720), (13480, 19166), (13690, 18872)]