127321280

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{487}}^1$

素因数の和:566

約数の個数: 112

約数和(自身を含む): 327233280

約数和(自身を除く): 199912000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 43, 64, 76, 80, 86, 95, 152, 160, 172, 190, 215, 304, 320, 344, 380, 430, 487, 608, 688, 760, 817, 860, 974, 1216, 1376, 1520, 1634, 1720, 1948, 2435, 2752, 3040, 3268, 3440, 3896, 4085, 4870, 6080, 6536, 6880, 7792, 8170, 9253, 9740, 13072, 13760, 15584, 16340, 18506, 19480, 20941, 26144, 31168, 32680, 37012, 38960, 41882, 46265, 52288, 65360, 74024, 77920, 83764, 92530, 104705, 130720, 148048, 155840, 167528, 185060, 209410, 261440, 296096, 335056, 370120, 397879, 418820, 592192, 670112, 740240, 795758, 837640, 1340224, 1480480, 1591516, 1675280, 1989395, 2960960, 3183032, 3350560, 3978790, 6366064, 6701120, 7957580, 12732128, 15915160, 25464256, 31830320, 63660640, 127321280]

約数ペア:

[(1, 127321280), (2, 63660640), (4, 31830320), (5, 25464256), (8, 15915160), (10, 12732128), (16, 7957580), (19, 6701120), (20, 6366064), (32, 3978790), (38, 3350560), (40, 3183032), (43, 2960960), (64, 1989395), (76, 1675280), (80, 1591516), (86, 1480480), (95, 1340224), (152, 837640), (160, 795758), (172, 740240), (190, 670112), (215, 592192), (304, 418820), (320, 397879), (344, 370120), (380, 335056), (430, 296096), (487, 261440), (608, 209410), (688, 185060), (760, 167528), (817, 155840), (860, 148048), (974, 130720), (1216, 104705), (1376, 92530), (1520, 83764), (1634, 77920), (1720, 74024), (1948, 65360), (2435, 52288), (2752, 46265), (3040, 41882), (3268, 38960), (3440, 37012), (3896, 32680), (4085, 31168), (4870, 26144), (6080, 20941), (6536, 19480), (6880, 18506), (7792, 16340), (8170, 15584), (9253, 13760), (9740, 13072)]