128221920

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{443}}^1$

素因数の和:534

約数の個数: 192

約数和(自身を含む): 456503040

約数和(自身を除く): 328281120

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, 67, 72, 80, 90, 96, 108, 120, 134, 135, 144, 160, 180, 201, 216, 240, 268, 270, 288, 335, 360, 402, 432, 443, 480, 536, 540, 603, 670, 720, 804, 864, 886, 1005, 1072, 1080, 1206, 1329, 1340, 1440, 1608, 1772, 1809, 2010, 2144, 2160, 2215, 2412, 2658, 2680, 3015, 3216, 3544, 3618, 3987, 4020, 4320, 4430, 4824, 5316, 5360, 6030, 6432, 6645, 7088, 7236, 7974, 8040, 8860, 9045, 9648, 10632, 10720, 11961, 12060, 13290, 14176, 14472, 15948, 16080, 17720, 18090, 19296, 19935, 21264, 23922, 24120, 26580, 28944, 29681, 31896, 32160, 35440, 36180, 39870, 42528, 47844, 48240, 53160, 57888, 59362, 59805, 63792, 70880, 72360, 79740, 89043, 95688, 96480, 106320, 118724, 119610, 127584, 144720, 148405, 159480, 178086, 191376, 212640, 237448, 239220, 267129, 289440, 296810, 318960, 356172, 382752, 445215, 474896, 478440, 534258, 593620, 637920, 712344, 801387, 890430, 949792, 956880, 1068516, 1187240, 1335645, 1424688, 1602774, 1780860, 1913760, 2137032, 2374480, 2671290, 2849376, 3205548, 3561720, 4006935, 4274064, 4748960, 5342580, 6411096, 7123440, 8013870, 8548128, 10685160, 12822192, 14246880, 16027740, 21370320, 25644384, 32055480, 42740640, 64110960, 128221920]

約数ペア:

[(1, 128221920), (2, 64110960), (3, 42740640), (4, 32055480), (5, 25644384), (6, 21370320), (8, 16027740), (9, 14246880), (10, 12822192), (12, 10685160), (15, 8548128), (16, 8013870), (18, 7123440), (20, 6411096), (24, 5342580), (27, 4748960), (30, 4274064), (32, 4006935), (36, 3561720), (40, 3205548), (45, 2849376), (48, 2671290), (54, 2374480), (60, 2137032), (67, 1913760), (72, 1780860), (80, 1602774), (90, 1424688), (96, 1335645), (108, 1187240), (120, 1068516), (134, 956880), (135, 949792), (144, 890430), (160, 801387), (180, 712344), (201, 637920), (216, 593620), (240, 534258), (268, 478440), (270, 474896), (288, 445215), (335, 382752), (360, 356172), (402, 318960), (432, 296810), (443, 289440), (480, 267129), (536, 239220), (540, 237448), (603, 212640), (670, 191376), (720, 178086), (804, 159480), (864, 148405), (886, 144720), (1005, 127584), (1072, 119610), (1080, 118724), (1206, 106320), (1329, 96480), (1340, 95688), (1440, 89043), (1608, 79740), (1772, 72360), (1809, 70880), (2010, 63792), (2144, 59805), (2160, 59362), (2215, 57888), (2412, 53160), (2658, 48240), (2680, 47844), (3015, 42528), (3216, 39870), (3544, 36180), (3618, 35440), (3987, 32160), (4020, 31896), (4320, 29681), (4430, 28944), (4824, 26580), (5316, 24120), (5360, 23922), (6030, 21264), (6432, 19935), (6645, 19296), (7088, 18090), (7236, 17720), (7974, 16080), (8040, 15948), (8860, 14472), (9045, 14176), (9648, 13290), (10632, 12060), (10720, 11961)]