205405920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{2129}}^1$

素因数の和:2217

約数の個数: 144

約数和(自身を含む): 711743760

約数和(自身を除く): 506337840

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, 67, 72, 80, 90, 96, 120, 134, 144, 160, 180, 201, 240, 268, 288, 335, 360, 402, 480, 536, 603, 670, 720, 804, 1005, 1072, 1206, 1340, 1440, 1608, 2010, 2129, 2144, 2412, 2680, 3015, 3216, 4020, 4258, 4824, 5360, 6030, 6387, 6432, 8040, 8516, 9648, 10645, 10720, 12060, 12774, 16080, 17032, 19161, 19296, 21290, 24120, 25548, 31935, 32160, 34064, 38322, 42580, 48240, 51096, 63870, 68128, 76644, 85160, 95805, 96480, 102192, 127740, 142643, 153288, 170320, 191610, 204384, 255480, 285286, 306576, 340640, 383220, 427929, 510960, 570572, 613152, 713215, 766440, 855858, 1021920, 1141144, 1283787, 1426430, 1532880, 1711716, 2139645, 2282288, 2567574, 2852860, 3065760, 3423432, 4279290, 4564576, 5135148, 5705720, 6418935, 6846864, 8558580, 10270296, 11411440, 12837870, 13693728, 17117160, 20540592, 22822880, 25675740, 34234320, 41081184, 51351480, 68468640, 102702960, 205405920]

約数ペア:

[(1, 205405920), (2, 102702960), (3, 68468640), (4, 51351480), (5, 41081184), (6, 34234320), (8, 25675740), (9, 22822880), (10, 20540592), (12, 17117160), (15, 13693728), (16, 12837870), (18, 11411440), (20, 10270296), (24, 8558580), (30, 6846864), (32, 6418935), (36, 5705720), (40, 5135148), (45, 4564576), (48, 4279290), (60, 3423432), (67, 3065760), (72, 2852860), (80, 2567574), (90, 2282288), (96, 2139645), (120, 1711716), (134, 1532880), (144, 1426430), (160, 1283787), (180, 1141144), (201, 1021920), (240, 855858), (268, 766440), (288, 713215), (335, 613152), (360, 570572), (402, 510960), (480, 427929), (536, 383220), (603, 340640), (670, 306576), (720, 285286), (804, 255480), (1005, 204384), (1072, 191610), (1206, 170320), (1340, 153288), (1440, 142643), (1608, 127740), (2010, 102192), (2129, 96480), (2144, 95805), (2412, 85160), (2680, 76644), (3015, 68128), (3216, 63870), (4020, 51096), (4258, 48240), (4824, 42580), (5360, 38322), (6030, 34064), (6387, 32160), (6432, 31935), (8040, 25548), (8516, 24120), (9648, 21290), (10645, 19296), (10720, 19161), (12060, 17032), (12774, 16080)]