126817120

素因数分解:

$2^5\times 5^1\times {\mathrm{79}}^2\times {\mathrm{127}}^1$

素因数の和:300

約数の個数: 72

約数和(自身を含む): 305835264

約数和(自身を除く): 179018144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 79, 80, 127, 158, 160, 254, 316, 395, 508, 632, 635, 790, 1016, 1264, 1270, 1580, 2032, 2528, 2540, 3160, 4064, 5080, 6241, 6320, 10033, 10160, 12482, 12640, 20066, 20320, 24964, 31205, 40132, 49928, 50165, 62410, 80264, 99856, 100330, 124820, 160528, 199712, 200660, 249640, 321056, 401320, 499280, 792607, 802640, 998560, 1585214, 1605280, 3170428, 3963035, 6340856, 7926070, 12681712, 15852140, 25363424, 31704280, 63408560, 126817120]

約数ペア:

[(1, 126817120), (2, 63408560), (4, 31704280), (5, 25363424), (8, 15852140), (10, 12681712), (16, 7926070), (20, 6340856), (32, 3963035), (40, 3170428), (79, 1605280), (80, 1585214), (127, 998560), (158, 802640), (160, 792607), (254, 499280), (316, 401320), (395, 321056), (508, 249640), (632, 200660), (635, 199712), (790, 160528), (1016, 124820), (1264, 100330), (1270, 99856), (1580, 80264), (2032, 62410), (2528, 50165), (2540, 49928), (3160, 40132), (4064, 31205), (5080, 24964), (6241, 20320), (6320, 20066), (10033, 12640), (10160, 12482)]