20143639680

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{52721}}^1$

素因数の和:52942

約数の個数: 128

約数和(自身を含む): 64531728000

約数和(自身を除く): 44388088320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 199, 240, 320, 384, 398, 480, 597, 640, 796, 960, 995, 1194, 1592, 1920, 1990, 2388, 2985, 3184, 3980, 4776, 5970, 6368, 7960, 9552, 11940, 12736, 15920, 19104, 23880, 25472, 31840, 38208, 47760, 52721, 63680, 76416, 95520, 105442, 127360, 158163, 191040, 210884, 263605, 316326, 382080, 421768, 527210, 632652, 790815, 843536, 1054420, 1265304, 1581630, 1687072, 2108840, 2530608, 3163260, 3374144, 4217680, 5061216, 6326520, 6748288, 8435360, 10122432, 10491479, 12653040, 16870720, 20244864, 20982958, 25306080, 31474437, 33741440, 41965916, 50612160, 52457395, 62948874, 83931832, 101224320, 104914790, 125897748, 157372185, 167863664, 209829580, 251795496, 314744370, 335727328, 419659160, 503590992, 629488740, 671454656, 839318320, 1007181984, 1258977480, 1342909312, 1678636640, 2014363968, 2517954960, 3357273280, 4028727936, 5035909920, 6714546560, 10071819840, 20143639680]

約数ペア:

[(1, 20143639680), (2, 10071819840), (3, 6714546560), (4, 5035909920), (5, 4028727936), (6, 3357273280), (8, 2517954960), (10, 2014363968), (12, 1678636640), (15, 1342909312), (16, 1258977480), (20, 1007181984), (24, 839318320), (30, 671454656), (32, 629488740), (40, 503590992), (48, 419659160), (60, 335727328), (64, 314744370), (80, 251795496), (96, 209829580), (120, 167863664), (128, 157372185), (160, 125897748), (192, 104914790), (199, 101224320), (240, 83931832), (320, 62948874), (384, 52457395), (398, 50612160), (480, 41965916), (597, 33741440), (640, 31474437), (796, 25306080), (960, 20982958), (995, 20244864), (1194, 16870720), (1592, 12653040), (1920, 10491479), (1990, 10122432), (2388, 8435360), (2985, 6748288), (3184, 6326520), (3980, 5061216), (4776, 4217680), (5970, 3374144), (6368, 3163260), (7960, 2530608), (9552, 2108840), (11940, 1687072), (12736, 1581630), (15920, 1265304), (19104, 1054420), (23880, 843536), (25472, 790815), (31840, 632652), (38208, 527210), (47760, 421768), (52721, 382080), (63680, 316326), (76416, 263605), (95520, 210884), (105442, 191040), (127360, 158163)]