638939520

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{110927}}^1$

素因数の和:110952

約数の個数: 96

約数和(自身を含む): 2206357920

約数和(自身を除く): 1567418400

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, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 288, 320, 360, 384, 480, 576, 640, 720, 960, 1152, 1440, 1920, 2880, 5760, 110927, 221854, 332781, 443708, 554635, 665562, 887416, 998343, 1109270, 1331124, 1663905, 1774832, 1996686, 2218540, 2662248, 3327810, 3549664, 3993372, 4437080, 4991715, 5324496, 6655620, 7099328, 7986744, 8874160, 9983430, 10648992, 13311240, 14198656, 15973488, 17748320, 19966860, 21297984, 26622480, 31946976, 35496640, 39933720, 42595968, 53244960, 63893952, 70993280, 79867440, 106489920, 127787904, 159734880, 212979840, 319469760, 638939520]

約数ペア:

[(1, 638939520), (2, 319469760), (3, 212979840), (4, 159734880), (5, 127787904), (6, 106489920), (8, 79867440), (9, 70993280), (10, 63893952), (12, 53244960), (15, 42595968), (16, 39933720), (18, 35496640), (20, 31946976), (24, 26622480), (30, 21297984), (32, 19966860), (36, 17748320), (40, 15973488), (45, 14198656), (48, 13311240), (60, 10648992), (64, 9983430), (72, 8874160), (80, 7986744), (90, 7099328), (96, 6655620), (120, 5324496), (128, 4991715), (144, 4437080), (160, 3993372), (180, 3549664), (192, 3327810), (240, 2662248), (288, 2218540), (320, 1996686), (360, 1774832), (384, 1663905), (480, 1331124), (576, 1109270), (640, 998343), (720, 887416), (960, 665562), (1152, 554635), (1440, 443708), (1920, 332781), (2880, 221854), (5760, 110927)]