209459520

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{8081}}^1$

素因数の和:8110

約数の個数: 140

約数和(自身を含む): 745176564

約数和(自身を除く): 535717044

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 192, 216, 240, 270, 288, 320, 324, 360, 405, 432, 480, 540, 576, 648, 720, 810, 864, 960, 1080, 1296, 1440, 1620, 1728, 2160, 2592, 2880, 3240, 4320, 5184, 6480, 8081, 8640, 12960, 16162, 24243, 25920, 32324, 40405, 48486, 64648, 72729, 80810, 96972, 121215, 129296, 145458, 161620, 193944, 218187, 242430, 258592, 290916, 323240, 363645, 387888, 436374, 484860, 517184, 581832, 646480, 654561, 727290, 775776, 872748, 969720, 1090935, 1163664, 1292960, 1309122, 1454580, 1551552, 1745496, 1939440, 2181870, 2327328, 2585920, 2618244, 2909160, 3272805, 3490992, 3878880, 4363740, 4654656, 5236488, 5818320, 6545610, 6981984, 7757760, 8727480, 10472976, 11636640, 13091220, 13963968, 17454960, 20945952, 23273280, 26182440, 34909920, 41891904, 52364880, 69819840, 104729760, 209459520]

約数ペア:

[(1, 209459520), (2, 104729760), (3, 69819840), (4, 52364880), (5, 41891904), (6, 34909920), (8, 26182440), (9, 23273280), (10, 20945952), (12, 17454960), (15, 13963968), (16, 13091220), (18, 11636640), (20, 10472976), (24, 8727480), (27, 7757760), (30, 6981984), (32, 6545610), (36, 5818320), (40, 5236488), (45, 4654656), (48, 4363740), (54, 3878880), (60, 3490992), (64, 3272805), (72, 2909160), (80, 2618244), (81, 2585920), (90, 2327328), (96, 2181870), (108, 1939440), (120, 1745496), (135, 1551552), (144, 1454580), (160, 1309122), (162, 1292960), (180, 1163664), (192, 1090935), (216, 969720), (240, 872748), (270, 775776), (288, 727290), (320, 654561), (324, 646480), (360, 581832), (405, 517184), (432, 484860), (480, 436374), (540, 387888), (576, 363645), (648, 323240), (720, 290916), (810, 258592), (864, 242430), (960, 218187), (1080, 193944), (1296, 161620), (1440, 145458), (1620, 129296), (1728, 121215), (2160, 96972), (2592, 80810), (2880, 72729), (3240, 64648), (4320, 48486), (5184, 40405), (6480, 32324), (8081, 25920), (8640, 24243), (12960, 16162)]