20218183680

素因数分解:

$2^{16}\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:328

約数の個数: 272

約数和(自身を含む): 65606802624

約数和(自身を除く): 45388618944

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, 131, 157, 160, 192, 240, 256, 262, 314, 320, 384, 393, 471, 480, 512, 524, 628, 640, 655, 768, 785, 786, 942, 960, 1024, 1048, 1256, 1280, 1310, 1536, 1570, 1572, 1884, 1920, 1965, 2048, 2096, 2355, 2512, 2560, 2620, 3072, 3140, 3144, 3768, 3840, 3930, 4096, 4192, 4710, 5024, 5120, 5240, 6144, 6280, 6288, 7536, 7680, 7860, 8192, 8384, 9420, 10048, 10240, 10480, 12288, 12560, 12576, 15072, 15360, 15720, 16384, 16768, 18840, 20096, 20480, 20567, 20960, 24576, 25120, 25152, 30144, 30720, 31440, 32768, 33536, 37680, 40192, 40960, 41134, 41920, 49152, 50240, 50304, 60288, 61440, 61701, 62880, 65536, 67072, 75360, 80384, 81920, 82268, 83840, 98304, 100480, 100608, 102835, 120576, 122880, 123402, 125760, 134144, 150720, 160768, 163840, 164536, 167680, 196608, 200960, 201216, 205670, 241152, 245760, 246804, 251520, 268288, 301440, 308505, 321536, 327680, 329072, 335360, 401920, 402432, 411340, 482304, 491520, 493608, 503040, 536576, 602880, 617010, 643072, 658144, 670720, 803840, 804864, 822680, 964608, 983040, 987216, 1006080, 1073152, 1205760, 1234020, 1286144, 1316288, 1341440, 1607680, 1609728, 1645360, 1929216, 1974432, 2012160, 2146304, 2411520, 2468040, 2572288, 2632576, 2682880, 3215360, 3219456, 3290720, 3858432, 3948864, 4024320, 4292608, 4823040, 4936080, 5144576, 5265152, 5365760, 6430720, 6438912, 6581440, 7716864, 7897728, 8048640, 8585216, 9646080, 9872160, 10289152, 10530304, 10731520, 12861440, 12877824, 13162880, 15433728, 15795456, 16097280, 19292160, 19744320, 21060608, 21463040, 25722880, 25755648, 26325760, 30867456, 31590912, 32194560, 38584320, 39488640, 42121216, 42926080, 51445760, 52651520, 63181824, 64389120, 77168640, 78977280, 84242432, 105303040, 126363648, 128778240, 154337280, 157954560, 168484864, 210606080, 252727296, 315909120, 336969728, 421212160, 505454592, 631818240, 673939456, 842424320, 1010909184, 1263636480, 1347878912, 1684848640, 2021818368, 2527272960, 3369697280, 4043636736, 5054545920, 6739394560, 10109091840, 20218183680]

約数ペア:

[(1, 20218183680), (2, 10109091840), (3, 6739394560), (4, 5054545920), (5, 4043636736), (6, 3369697280), (8, 2527272960), (10, 2021818368), (12, 1684848640), (15, 1347878912), (16, 1263636480), (20, 1010909184), (24, 842424320), (30, 673939456), (32, 631818240), (40, 505454592), (48, 421212160), (60, 336969728), (64, 315909120), (80, 252727296), (96, 210606080), (120, 168484864), (128, 157954560), (131, 154337280), (157, 128778240), (160, 126363648), (192, 105303040), (240, 84242432), (256, 78977280), (262, 77168640), (314, 64389120), (320, 63181824), (384, 52651520), (393, 51445760), (471, 42926080), (480, 42121216), (512, 39488640), (524, 38584320), (628, 32194560), (640, 31590912), (655, 30867456), (768, 26325760), (785, 25755648), (786, 25722880), (942, 21463040), (960, 21060608), (1024, 19744320), (1048, 19292160), (1256, 16097280), (1280, 15795456), (1310, 15433728), (1536, 13162880), (1570, 12877824), (1572, 12861440), (1884, 10731520), (1920, 10530304), (1965, 10289152), (2048, 9872160), (2096, 9646080), (2355, 8585216), (2512, 8048640), (2560, 7897728), (2620, 7716864), (3072, 6581440), (3140, 6438912), (3144, 6430720), (3768, 5365760), (3840, 5265152), (3930, 5144576), (4096, 4936080), (4192, 4823040), (4710, 4292608), (5024, 4024320), (5120, 3948864), (5240, 3858432), (6144, 3290720), (6280, 3219456), (6288, 3215360), (7536, 2682880), (7680, 2632576), (7860, 2572288), (8192, 2468040), (8384, 2411520), (9420, 2146304), (10048, 2012160), (10240, 1974432), (10480, 1929216), (12288, 1645360), (12560, 1609728), (12576, 1607680), (15072, 1341440), (15360, 1316288), (15720, 1286144), (16384, 1234020), (16768, 1205760), (18840, 1073152), (20096, 1006080), (20480, 987216), (20567, 983040), (20960, 964608), (24576, 822680), (25120, 804864), (25152, 803840), (30144, 670720), (30720, 658144), (31440, 643072), (32768, 617010), (33536, 602880), (37680, 536576), (40192, 503040), (40960, 493608), (41134, 491520), (41920, 482304), (49152, 411340), (50240, 402432), (50304, 401920), (60288, 335360), (61440, 329072), (61701, 327680), (62880, 321536), (65536, 308505), (67072, 301440), (75360, 268288), (80384, 251520), (81920, 246804), (82268, 245760), (83840, 241152), (98304, 205670), (100480, 201216), (100608, 200960), (102835, 196608), (120576, 167680), (122880, 164536), (123402, 163840), (125760, 160768), (134144, 150720)]