81284400

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{67}}^1\times {\mathrm{337}}^1$

素因数の和:428

約数の個数: 180

約数和(自身を含む): 287139112

約数和(自身を除く): 205854712

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 36, 40, 45, 48, 50, 60, 67, 72, 75, 80, 90, 100, 120, 134, 144, 150, 180, 200, 201, 225, 240, 268, 300, 335, 337, 360, 400, 402, 450, 536, 600, 603, 670, 674, 720, 804, 900, 1005, 1011, 1072, 1200, 1206, 1340, 1348, 1608, 1675, 1685, 1800, 2010, 2022, 2412, 2680, 2696, 3015, 3033, 3216, 3350, 3370, 3600, 4020, 4044, 4824, 5025, 5055, 5360, 5392, 6030, 6066, 6700, 6740, 8040, 8088, 8425, 9648, 10050, 10110, 12060, 12132, 13400, 13480, 15075, 15165, 16080, 16176, 16850, 20100, 20220, 22579, 24120, 24264, 25275, 26800, 26960, 30150, 30330, 33700, 40200, 40440, 45158, 48240, 48528, 50550, 60300, 60660, 67400, 67737, 75825, 80400, 80880, 90316, 101100, 112895, 120600, 121320, 134800, 135474, 151650, 180632, 202200, 203211, 225790, 241200, 242640, 270948, 303300, 338685, 361264, 404400, 406422, 451580, 541896, 564475, 606600, 677370, 812844, 903160, 1016055, 1083792, 1128950, 1213200, 1354740, 1625688, 1693425, 1806320, 2032110, 2257900, 2709480, 3251376, 3386850, 4064220, 4515800, 5080275, 5418960, 6773700, 8128440, 9031600, 10160550, 13547400, 16256880, 20321100, 27094800, 40642200, 81284400]

約数ペア:

[(1, 81284400), (2, 40642200), (3, 27094800), (4, 20321100), (5, 16256880), (6, 13547400), (8, 10160550), (9, 9031600), (10, 8128440), (12, 6773700), (15, 5418960), (16, 5080275), (18, 4515800), (20, 4064220), (24, 3386850), (25, 3251376), (30, 2709480), (36, 2257900), (40, 2032110), (45, 1806320), (48, 1693425), (50, 1625688), (60, 1354740), (67, 1213200), (72, 1128950), (75, 1083792), (80, 1016055), (90, 903160), (100, 812844), (120, 677370), (134, 606600), (144, 564475), (150, 541896), (180, 451580), (200, 406422), (201, 404400), (225, 361264), (240, 338685), (268, 303300), (300, 270948), (335, 242640), (337, 241200), (360, 225790), (400, 203211), (402, 202200), (450, 180632), (536, 151650), (600, 135474), (603, 134800), (670, 121320), (674, 120600), (720, 112895), (804, 101100), (900, 90316), (1005, 80880), (1011, 80400), (1072, 75825), (1200, 67737), (1206, 67400), (1340, 60660), (1348, 60300), (1608, 50550), (1675, 48528), (1685, 48240), (1800, 45158), (2010, 40440), (2022, 40200), (2412, 33700), (2680, 30330), (2696, 30150), (3015, 26960), (3033, 26800), (3216, 25275), (3350, 24264), (3370, 24120), (3600, 22579), (4020, 20220), (4044, 20100), (4824, 16850), (5025, 16176), (5055, 16080), (5360, 15165), (5392, 15075), (6030, 13480), (6066, 13400), (6700, 12132), (6740, 12060), (8040, 10110), (8088, 10050), (8425, 9648)]