68471680

素因数分解:

$2^7\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1289}}^1$

素因数の和:1391

約数の個数: 64

約数和(自身を含む): 165790800

約数和(自身を除く): 97319120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 83, 128, 160, 166, 320, 332, 415, 640, 664, 830, 1289, 1328, 1660, 2578, 2656, 3320, 5156, 5312, 6445, 6640, 10312, 10624, 12890, 13280, 20624, 25780, 26560, 41248, 51560, 53120, 82496, 103120, 106987, 164992, 206240, 213974, 412480, 427948, 534935, 824960, 855896, 1069870, 1711792, 2139740, 3423584, 4279480, 6847168, 8558960, 13694336, 17117920, 34235840, 68471680]

約数ペア:

[(1, 68471680), (2, 34235840), (4, 17117920), (5, 13694336), (8, 8558960), (10, 6847168), (16, 4279480), (20, 3423584), (32, 2139740), (40, 1711792), (64, 1069870), (80, 855896), (83, 824960), (128, 534935), (160, 427948), (166, 412480), (320, 213974), (332, 206240), (415, 164992), (640, 106987), (664, 103120), (830, 82496), (1289, 53120), (1328, 51560), (1660, 41248), (2578, 26560), (2656, 25780), (3320, 20624), (5156, 13280), (5312, 12890), (6445, 10624), (6640, 10312)]