19997152320

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{310901}}^1$

素因数の和:310988

約数の個数: 112

約数和(自身を含む): 64438792128

約数和(自身を除く): 44441639808

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 67, 80, 96, 120, 134, 160, 192, 201, 240, 268, 320, 335, 402, 480, 536, 670, 804, 960, 1005, 1072, 1340, 1608, 2010, 2144, 2680, 3216, 4020, 4288, 5360, 6432, 8040, 10720, 12864, 16080, 21440, 32160, 64320, 310901, 621802, 932703, 1243604, 1554505, 1865406, 2487208, 3109010, 3730812, 4663515, 4974416, 6218020, 7461624, 9327030, 9948832, 12436040, 14923248, 18654060, 19897664, 20830367, 24872080, 29846496, 37308120, 41660734, 49744160, 59692992, 62491101, 74616240, 83321468, 99488320, 104151835, 124982202, 149232480, 166642936, 208303670, 249964404, 298464960, 312455505, 333285872, 416607340, 499928808, 624911010, 666571744, 833214680, 999857616, 1249822020, 1333143488, 1666429360, 1999715232, 2499644040, 3332858720, 3999430464, 4999288080, 6665717440, 9998576160, 19997152320]

約数ペア:

[(1, 19997152320), (2, 9998576160), (3, 6665717440), (4, 4999288080), (5, 3999430464), (6, 3332858720), (8, 2499644040), (10, 1999715232), (12, 1666429360), (15, 1333143488), (16, 1249822020), (20, 999857616), (24, 833214680), (30, 666571744), (32, 624911010), (40, 499928808), (48, 416607340), (60, 333285872), (64, 312455505), (67, 298464960), (80, 249964404), (96, 208303670), (120, 166642936), (134, 149232480), (160, 124982202), (192, 104151835), (201, 99488320), (240, 83321468), (268, 74616240), (320, 62491101), (335, 59692992), (402, 49744160), (480, 41660734), (536, 37308120), (670, 29846496), (804, 24872080), (960, 20830367), (1005, 19897664), (1072, 18654060), (1340, 14923248), (1608, 12436040), (2010, 9948832), (2144, 9327030), (2680, 7461624), (3216, 6218020), (4020, 4974416), (4288, 4663515), (5360, 3730812), (6432, 3109010), (8040, 2487208), (10720, 1865406), (12864, 1554505), (16080, 1243604), (21440, 932703), (32160, 621802), (64320, 310901)]