128941920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{593}}^1$

素因数の和:765

約数の個数: 144

約数和(自身を含む): 443675232

約数和(自身を除く): 314733312

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 151, 160, 180, 240, 288, 302, 360, 453, 480, 593, 604, 720, 755, 906, 1186, 1208, 1359, 1440, 1510, 1779, 1812, 2265, 2372, 2416, 2718, 2965, 3020, 3558, 3624, 4530, 4744, 4832, 5337, 5436, 5930, 6040, 6795, 7116, 7248, 8895, 9060, 9488, 10674, 10872, 11860, 12080, 13590, 14232, 14496, 17790, 18120, 18976, 21348, 21744, 23720, 24160, 26685, 27180, 28464, 35580, 36240, 42696, 43488, 47440, 53370, 54360, 56928, 71160, 72480, 85392, 89543, 94880, 106740, 108720, 142320, 170784, 179086, 213480, 217440, 268629, 284640, 358172, 426960, 447715, 537258, 716344, 805887, 853920, 895430, 1074516, 1343145, 1432688, 1611774, 1790860, 2149032, 2686290, 2865376, 3223548, 3581720, 4029435, 4298064, 5372580, 6447096, 7163440, 8058870, 8596128, 10745160, 12894192, 14326880, 16117740, 21490320, 25788384, 32235480, 42980640, 64470960, 128941920]

約数ペア:

[(1, 128941920), (2, 64470960), (3, 42980640), (4, 32235480), (5, 25788384), (6, 21490320), (8, 16117740), (9, 14326880), (10, 12894192), (12, 10745160), (15, 8596128), (16, 8058870), (18, 7163440), (20, 6447096), (24, 5372580), (30, 4298064), (32, 4029435), (36, 3581720), (40, 3223548), (45, 2865376), (48, 2686290), (60, 2149032), (72, 1790860), (80, 1611774), (90, 1432688), (96, 1343145), (120, 1074516), (144, 895430), (151, 853920), (160, 805887), (180, 716344), (240, 537258), (288, 447715), (302, 426960), (360, 358172), (453, 284640), (480, 268629), (593, 217440), (604, 213480), (720, 179086), (755, 170784), (906, 142320), (1186, 108720), (1208, 106740), (1359, 94880), (1440, 89543), (1510, 85392), (1779, 72480), (1812, 71160), (2265, 56928), (2372, 54360), (2416, 53370), (2718, 47440), (2965, 43488), (3020, 42696), (3558, 36240), (3624, 35580), (4530, 28464), (4744, 27180), (4832, 26685), (5337, 24160), (5436, 23720), (5930, 21744), (6040, 21348), (6795, 18976), (7116, 18120), (7248, 17790), (8895, 14496), (9060, 14232), (9488, 13590), (10674, 12080), (10872, 11860)]