80681760

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1303}}^1$

素因数の和:1367

約数の個数: 144

約数和(自身を含む): 281945664

約数和(自身を除く): 201263904

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 43, 45, 48, 60, 72, 80, 86, 90, 96, 120, 129, 144, 160, 172, 180, 215, 240, 258, 288, 344, 360, 387, 430, 480, 516, 645, 688, 720, 774, 860, 1032, 1290, 1303, 1376, 1440, 1548, 1720, 1935, 2064, 2580, 2606, 3096, 3440, 3870, 3909, 4128, 5160, 5212, 6192, 6515, 6880, 7740, 7818, 10320, 10424, 11727, 12384, 13030, 15480, 15636, 19545, 20640, 20848, 23454, 26060, 30960, 31272, 39090, 41696, 46908, 52120, 56029, 58635, 61920, 62544, 78180, 93816, 104240, 112058, 117270, 125088, 156360, 168087, 187632, 208480, 224116, 234540, 280145, 312720, 336174, 375264, 448232, 469080, 504261, 560290, 625440, 672348, 840435, 896464, 938160, 1008522, 1120580, 1344696, 1680870, 1792928, 1876320, 2017044, 2241160, 2521305, 2689392, 3361740, 4034088, 4482320, 5042610, 5378784, 6723480, 8068176, 8964640, 10085220, 13446960, 16136352, 20170440, 26893920, 40340880, 80681760]

約数ペア:

[(1, 80681760), (2, 40340880), (3, 26893920), (4, 20170440), (5, 16136352), (6, 13446960), (8, 10085220), (9, 8964640), (10, 8068176), (12, 6723480), (15, 5378784), (16, 5042610), (18, 4482320), (20, 4034088), (24, 3361740), (30, 2689392), (32, 2521305), (36, 2241160), (40, 2017044), (43, 1876320), (45, 1792928), (48, 1680870), (60, 1344696), (72, 1120580), (80, 1008522), (86, 938160), (90, 896464), (96, 840435), (120, 672348), (129, 625440), (144, 560290), (160, 504261), (172, 469080), (180, 448232), (215, 375264), (240, 336174), (258, 312720), (288, 280145), (344, 234540), (360, 224116), (387, 208480), (430, 187632), (480, 168087), (516, 156360), (645, 125088), (688, 117270), (720, 112058), (774, 104240), (860, 93816), (1032, 78180), (1290, 62544), (1303, 61920), (1376, 58635), (1440, 56029), (1548, 52120), (1720, 46908), (1935, 41696), (2064, 39090), (2580, 31272), (2606, 30960), (3096, 26060), (3440, 23454), (3870, 20848), (3909, 20640), (4128, 19545), (5160, 15636), (5212, 15480), (6192, 13030), (6515, 12384), (6880, 11727), (7740, 10424), (7818, 10320)]