30878960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{823}}^1$

素因数の和:910

約数の個数: 80

約数和(自身を含む): 83375616

約数和(自身を除く): 52496656

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 67, 70, 80, 112, 134, 140, 268, 280, 335, 469, 536, 560, 670, 823, 938, 1072, 1340, 1646, 1876, 2345, 2680, 3292, 3752, 4115, 4690, 5360, 5761, 6584, 7504, 8230, 9380, 11522, 13168, 16460, 18760, 23044, 28805, 32920, 37520, 46088, 55141, 57610, 65840, 92176, 110282, 115220, 220564, 230440, 275705, 385987, 441128, 460880, 551410, 771974, 882256, 1102820, 1543948, 1929935, 2205640, 3087896, 3859870, 4411280, 6175792, 7719740, 15439480, 30878960]

約数ペア:

[(1, 30878960), (2, 15439480), (4, 7719740), (5, 6175792), (7, 4411280), (8, 3859870), (10, 3087896), (14, 2205640), (16, 1929935), (20, 1543948), (28, 1102820), (35, 882256), (40, 771974), (56, 551410), (67, 460880), (70, 441128), (80, 385987), (112, 275705), (134, 230440), (140, 220564), (268, 115220), (280, 110282), (335, 92176), (469, 65840), (536, 57610), (560, 55141), (670, 46088), (823, 37520), (938, 32920), (1072, 28805), (1340, 23044), (1646, 18760), (1876, 16460), (2345, 13168), (2680, 11522), (3292, 9380), (3752, 8230), (4115, 7504), (4690, 6584), (5360, 5761)]