20416898880

素因数分解:

$2^6\times 3^6\times 5^1\times 7^1\times {\mathrm{12503}}^1$

素因数の和:12545

約数の個数: 392

約数和(自身を含む): 83313251712

約数和(自身を除く): 62896352832

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 81, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 162, 168, 180, 189, 192, 210, 216, 224, 240, 243, 252, 270, 280, 288, 315, 320, 324, 336, 360, 378, 405, 420, 432, 448, 480, 486, 504, 540, 560, 567, 576, 630, 648, 672, 720, 729, 756, 810, 840, 864, 945, 960, 972, 1008, 1080, 1120, 1134, 1215, 1260, 1296, 1344, 1440, 1458, 1512, 1620, 1680, 1701, 1728, 1890, 1944, 2016, 2160, 2240, 2268, 2430, 2520, 2592, 2835, 2880, 2916, 3024, 3240, 3360, 3402, 3645, 3780, 3888, 4032, 4320, 4536, 4860, 5040, 5103, 5184, 5670, 5832, 6048, 6480, 6720, 6804, 7290, 7560, 7776, 8505, 8640, 9072, 9720, 10080, 10206, 11340, 11664, 12096, 12503, 12960, 13608, 14580, 15120, 15552, 17010, 18144, 19440, 20160, 20412, 22680, 23328, 25006, 25515, 25920, 27216, 29160, 30240, 34020, 36288, 37509, 38880, 40824, 45360, 46656, 50012, 51030, 54432, 58320, 60480, 62515, 68040, 75018, 77760, 81648, 87521, 90720, 100024, 102060, 108864, 112527, 116640, 125030, 136080, 150036, 163296, 175042, 181440, 187545, 200048, 204120, 225054, 233280, 250060, 262563, 272160, 300072, 326592, 337581, 350084, 375090, 400096, 408240, 437605, 450108, 500120, 525126, 544320, 562635, 600144, 675162, 700168, 750180, 787689, 800192, 816480, 875210, 900216, 1000240, 1012743, 1050252, 1125270, 1200288, 1312815, 1350324, 1400336, 1500360, 1575378, 1632960, 1687905, 1750420, 1800432, 2000480, 2025486, 2100504, 2250540, 2363067, 2400576, 2625630, 2700648, 2800672, 3000720, 3038229, 3150756, 3375810, 3500840, 3600864, 3938445, 4000960, 4050972, 4201008, 4501080, 4726134, 5063715, 5251260, 5401296, 5601344, 6001440, 6076458, 6301512, 6751620, 7001680, 7089201, 7201728, 7876890, 8101944, 8402016, 9002160, 9114687, 9452268, 10127430, 10502520, 10802592, 11815335, 12002880, 12152916, 12603024, 13503240, 14003360, 14178402, 15191145, 15753780, 16203888, 16804032, 18004320, 18229374, 18904536, 20254860, 21005040, 21267603, 21605184, 23630670, 24305832, 25206048, 27006480, 28006720, 28356804, 30382290, 31507560, 32407776, 35446005, 36008640, 36458748, 37809072, 40509720, 42010080, 42535206, 45573435, 47261340, 48611664, 50412096, 54012960, 56713608, 60764580, 63015120, 63802809, 64815552, 70892010, 72917496, 75618144, 81019440, 84020160, 85070412, 91146870, 94522680, 97223328, 106338015, 108025920, 113427216, 121529160, 126030240, 127605618, 141784020, 145834992, 151236288, 162038880, 170140824, 182293740, 189045360, 194446656, 212676030, 226854432, 243058320, 252060480, 255211236, 283568040, 291669984, 319014045, 324077760, 340281648, 364587480, 378090720, 425352060, 453708864, 486116640, 510422472, 567136080, 583339968, 638028090, 680563296, 729174960, 756181440, 850704120, 972233280, 1020844944, 1134272160, 1276056180, 1361126592, 1458349920, 1701408240, 2041689888, 2268544320, 2552112360, 2916699840, 3402816480, 4083379776, 5104224720, 6805632960, 10208449440, 20416898880]

約数ペア:

[(1, 20416898880), (2, 10208449440), (3, 6805632960), (4, 5104224720), (5, 4083379776), (6, 3402816480), (7, 2916699840), (8, 2552112360), (9, 2268544320), (10, 2041689888), (12, 1701408240), (14, 1458349920), (15, 1361126592), (16, 1276056180), (18, 1134272160), (20, 1020844944), (21, 972233280), (24, 850704120), (27, 756181440), (28, 729174960), (30, 680563296), (32, 638028090), (35, 583339968), (36, 567136080), (40, 510422472), (42, 486116640), (45, 453708864), (48, 425352060), (54, 378090720), (56, 364587480), (60, 340281648), (63, 324077760), (64, 319014045), (70, 291669984), (72, 283568040), (80, 255211236), (81, 252060480), (84, 243058320), (90, 226854432), (96, 212676030), (105, 194446656), (108, 189045360), (112, 182293740), (120, 170140824), (126, 162038880), (135, 151236288), (140, 145834992), (144, 141784020), (160, 127605618), (162, 126030240), (168, 121529160), (180, 113427216), (189, 108025920), (192, 106338015), (210, 97223328), (216, 94522680), (224, 91146870), (240, 85070412), (243, 84020160), (252, 81019440), (270, 75618144), (280, 72917496), (288, 70892010), (315, 64815552), (320, 63802809), (324, 63015120), (336, 60764580), (360, 56713608), (378, 54012960), (405, 50412096), (420, 48611664), (432, 47261340), (448, 45573435), (480, 42535206), (486, 42010080), (504, 40509720), (540, 37809072), (560, 36458748), (567, 36008640), (576, 35446005), (630, 32407776), (648, 31507560), (672, 30382290), (720, 28356804), (729, 28006720), (756, 27006480), (810, 25206048), (840, 24305832), (864, 23630670), (945, 21605184), (960, 21267603), (972, 21005040), (1008, 20254860), (1080, 18904536), (1120, 18229374), (1134, 18004320), (1215, 16804032), (1260, 16203888), (1296, 15753780), (1344, 15191145), (1440, 14178402), (1458, 14003360), (1512, 13503240), (1620, 12603024), (1680, 12152916), (1701, 12002880), (1728, 11815335), (1890, 10802592), (1944, 10502520), (2016, 10127430), (2160, 9452268), (2240, 9114687), (2268, 9002160), (2430, 8402016), (2520, 8101944), (2592, 7876890), (2835, 7201728), (2880, 7089201), (2916, 7001680), (3024, 6751620), (3240, 6301512), (3360, 6076458), (3402, 6001440), (3645, 5601344), (3780, 5401296), (3888, 5251260), (4032, 5063715), (4320, 4726134), (4536, 4501080), (4860, 4201008), (5040, 4050972), (5103, 4000960), (5184, 3938445), (5670, 3600864), (5832, 3500840), (6048, 3375810), (6480, 3150756), (6720, 3038229), (6804, 3000720), (7290, 2800672), (7560, 2700648), (7776, 2625630), (8505, 2400576), (8640, 2363067), (9072, 2250540), (9720, 2100504), (10080, 2025486), (10206, 2000480), (11340, 1800432), (11664, 1750420), (12096, 1687905), (12503, 1632960), (12960, 1575378), (13608, 1500360), (14580, 1400336), (15120, 1350324), (15552, 1312815), (17010, 1200288), (18144, 1125270), (19440, 1050252), (20160, 1012743), (20412, 1000240), (22680, 900216), (23328, 875210), (25006, 816480), (25515, 800192), (25920, 787689), (27216, 750180), (29160, 700168), (30240, 675162), (34020, 600144), (36288, 562635), (37509, 544320), (38880, 525126), (40824, 500120), (45360, 450108), (46656, 437605), (50012, 408240), (51030, 400096), (54432, 375090), (58320, 350084), (60480, 337581), (62515, 326592), (68040, 300072), (75018, 272160), (77760, 262563), (81648, 250060), (87521, 233280), (90720, 225054), (100024, 204120), (102060, 200048), (108864, 187545), (112527, 181440), (116640, 175042), (125030, 163296), (136080, 150036)]