820709760

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{251}}^1$

素因数の和:417

約数の個数: 256

約数和(自身を含む): 2850059520

約数和(自身を除く): 2029349760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 131, 156, 160, 192, 195, 208, 240, 251, 260, 262, 312, 320, 384, 390, 393, 416, 480, 502, 520, 524, 624, 640, 655, 753, 780, 786, 832, 960, 1004, 1040, 1048, 1248, 1255, 1310, 1506, 1560, 1572, 1664, 1703, 1920, 1965, 2008, 2080, 2096, 2496, 2510, 2620, 3012, 3120, 3144, 3263, 3406, 3765, 3930, 4016, 4160, 4192, 4992, 5020, 5109, 5240, 6024, 6240, 6288, 6526, 6812, 7530, 7860, 8032, 8320, 8384, 8515, 9789, 10040, 10218, 10480, 12048, 12480, 12576, 13052, 13624, 15060, 15720, 16064, 16315, 16768, 17030, 19578, 20080, 20436, 20960, 24096, 24960, 25152, 25545, 26104, 27248, 30120, 31440, 32128, 32630, 32881, 34060, 39156, 40160, 40872, 41920, 48192, 48945, 50304, 51090, 52208, 54496, 60240, 62880, 65260, 65762, 68120, 78312, 80320, 81744, 83840, 96384, 97890, 98643, 102180, 104416, 108992, 120480, 125760, 130520, 131524, 136240, 156624, 160640, 163488, 164405, 195780, 197286, 204360, 208832, 217984, 240960, 251520, 261040, 263048, 272480, 313248, 326976, 328810, 391560, 394572, 408720, 417664, 427453, 481920, 493215, 522080, 526096, 544960, 626496, 653952, 657620, 783120, 789144, 817440, 854906, 986430, 1044160, 1052192, 1089920, 1252992, 1282359, 1315240, 1566240, 1578288, 1634880, 1709812, 1972860, 2088320, 2104384, 2137265, 2564718, 2630480, 3132480, 3156576, 3269760, 3419624, 3945720, 4208768, 4274530, 5129436, 5260960, 6264960, 6313152, 6411795, 6839248, 7891440, 8549060, 10258872, 10521920, 12626304, 12823590, 13678496, 15782880, 17098120, 20517744, 21043840, 25647180, 27356992, 31565760, 34196240, 41035488, 51294360, 54713984, 63131520, 68392480, 82070976, 102588720, 136784960, 164141952, 205177440, 273569920, 410354880, 820709760]

約数ペア:

[(1, 820709760), (2, 410354880), (3, 273569920), (4, 205177440), (5, 164141952), (6, 136784960), (8, 102588720), (10, 82070976), (12, 68392480), (13, 63131520), (15, 54713984), (16, 51294360), (20, 41035488), (24, 34196240), (26, 31565760), (30, 27356992), (32, 25647180), (39, 21043840), (40, 20517744), (48, 17098120), (52, 15782880), (60, 13678496), (64, 12823590), (65, 12626304), (78, 10521920), (80, 10258872), (96, 8549060), (104, 7891440), (120, 6839248), (128, 6411795), (130, 6313152), (131, 6264960), (156, 5260960), (160, 5129436), (192, 4274530), (195, 4208768), (208, 3945720), (240, 3419624), (251, 3269760), (260, 3156576), (262, 3132480), (312, 2630480), (320, 2564718), (384, 2137265), (390, 2104384), (393, 2088320), (416, 1972860), (480, 1709812), (502, 1634880), (520, 1578288), (524, 1566240), (624, 1315240), (640, 1282359), (655, 1252992), (753, 1089920), (780, 1052192), (786, 1044160), (832, 986430), (960, 854906), (1004, 817440), (1040, 789144), (1048, 783120), (1248, 657620), (1255, 653952), (1310, 626496), (1506, 544960), (1560, 526096), (1572, 522080), (1664, 493215), (1703, 481920), (1920, 427453), (1965, 417664), (2008, 408720), (2080, 394572), (2096, 391560), (2496, 328810), (2510, 326976), (2620, 313248), (3012, 272480), (3120, 263048), (3144, 261040), (3263, 251520), (3406, 240960), (3765, 217984), (3930, 208832), (4016, 204360), (4160, 197286), (4192, 195780), (4992, 164405), (5020, 163488), (5109, 160640), (5240, 156624), (6024, 136240), (6240, 131524), (6288, 130520), (6526, 125760), (6812, 120480), (7530, 108992), (7860, 104416), (8032, 102180), (8320, 98643), (8384, 97890), (8515, 96384), (9789, 83840), (10040, 81744), (10218, 80320), (10480, 78312), (12048, 68120), (12480, 65762), (12576, 65260), (13052, 62880), (13624, 60240), (15060, 54496), (15720, 52208), (16064, 51090), (16315, 50304), (16768, 48945), (17030, 48192), (19578, 41920), (20080, 40872), (20436, 40160), (20960, 39156), (24096, 34060), (24960, 32881), (25152, 32630), (25545, 32128), (26104, 31440), (27248, 30120)]