20865600

素因数分解:

$2^6\times 3^4\times 5^2\times 7^1\times {\mathrm{23}}^1$

素因数の和:64

約数の個数: 420

約数和(自身を含む): 91464384

約数和(自身を除く): 70598784

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 23, 24, 25, 27, 28, 30, 32, 35, 36, 40, 42, 45, 46, 48, 50, 54, 56, 60, 63, 64, 69, 70, 72, 75, 80, 81, 84, 90, 92, 96, 100, 105, 108, 112, 115, 120, 126, 135, 138, 140, 144, 150, 160, 161, 162, 168, 175, 180, 184, 189, 192, 200, 207, 210, 216, 224, 225, 230, 240, 252, 270, 276, 280, 288, 300, 315, 320, 322, 324, 336, 345, 350, 360, 368, 378, 400, 405, 414, 420, 432, 448, 450, 460, 480, 483, 504, 525, 540, 552, 560, 567, 575, 576, 600, 621, 630, 644, 648, 672, 675, 690, 700, 720, 736, 756, 800, 805, 810, 828, 840, 864, 900, 920, 945, 960, 966, 1008, 1035, 1050, 1080, 1104, 1120, 1134, 1150, 1200, 1242, 1260, 1288, 1296, 1344, 1350, 1380, 1400, 1440, 1449, 1472, 1512, 1575, 1600, 1610, 1620, 1656, 1680, 1725, 1728, 1800, 1840, 1863, 1890, 1932, 2016, 2025, 2070, 2100, 2160, 2208, 2240, 2268, 2300, 2400, 2415, 2484, 2520, 2576, 2592, 2700, 2760, 2800, 2835, 2880, 2898, 3024, 3105, 3150, 3220, 3240, 3312, 3360, 3450, 3600, 3680, 3726, 3780, 3864, 4025, 4032, 4050, 4140, 4200, 4320, 4347, 4416, 4536, 4600, 4725, 4800, 4830, 4968, 5040, 5152, 5175, 5184, 5400, 5520, 5600, 5670, 5796, 6048, 6210, 6300, 6440, 6480, 6624, 6720, 6900, 7200, 7245, 7360, 7452, 7560, 7728, 8050, 8100, 8280, 8400, 8640, 8694, 9072, 9200, 9315, 9450, 9660, 9936, 10080, 10304, 10350, 10800, 11040, 11200, 11340, 11592, 12075, 12096, 12420, 12600, 12880, 12960, 13041, 13248, 13800, 14175, 14400, 14490, 14904, 15120, 15456, 15525, 16100, 16200, 16560, 16800, 17388, 18144, 18400, 18630, 18900, 19320, 19872, 20160, 20700, 21600, 21735, 22080, 22680, 23184, 24150, 24840, 25200, 25760, 25920, 26082, 27600, 28350, 28980, 29808, 30240, 30912, 31050, 32200, 32400, 33120, 33600, 34776, 36225, 36288, 36800, 37260, 37800, 38640, 39744, 41400, 43200, 43470, 45360, 46368, 46575, 48300, 49680, 50400, 51520, 52164, 55200, 56700, 57960, 59616, 60480, 62100, 64400, 64800, 65205, 66240, 69552, 72450, 74520, 75600, 77280, 82800, 86940, 90720, 92736, 93150, 96600, 99360, 100800, 104328, 108675, 110400, 113400, 115920, 119232, 124200, 128800, 129600, 130410, 139104, 144900, 149040, 151200, 154560, 165600, 173880, 181440, 186300, 193200, 198720, 208656, 217350, 226800, 231840, 248400, 257600, 260820, 278208, 289800, 298080, 302400, 326025, 331200, 347760, 372600, 386400, 417312, 434700, 453600, 463680, 496800, 521640, 579600, 596160, 652050, 695520, 745200, 772800, 834624, 869400, 907200, 993600, 1043280, 1159200, 1304100, 1391040, 1490400, 1738800, 2086560, 2318400, 2608200, 2980800, 3477600, 4173120, 5216400, 6955200, 10432800, 20865600]

約数ペア:

[(1, 20865600), (2, 10432800), (3, 6955200), (4, 5216400), (5, 4173120), (6, 3477600), (7, 2980800), (8, 2608200), (9, 2318400), (10, 2086560), (12, 1738800), (14, 1490400), (15, 1391040), (16, 1304100), (18, 1159200), (20, 1043280), (21, 993600), (23, 907200), (24, 869400), (25, 834624), (27, 772800), (28, 745200), (30, 695520), (32, 652050), (35, 596160), (36, 579600), (40, 521640), (42, 496800), (45, 463680), (46, 453600), (48, 434700), (50, 417312), (54, 386400), (56, 372600), (60, 347760), (63, 331200), (64, 326025), (69, 302400), (70, 298080), (72, 289800), (75, 278208), (80, 260820), (81, 257600), (84, 248400), (90, 231840), (92, 226800), (96, 217350), (100, 208656), (105, 198720), (108, 193200), (112, 186300), (115, 181440), (120, 173880), (126, 165600), (135, 154560), (138, 151200), (140, 149040), (144, 144900), (150, 139104), (160, 130410), (161, 129600), (162, 128800), (168, 124200), (175, 119232), (180, 115920), (184, 113400), (189, 110400), (192, 108675), (200, 104328), (207, 100800), (210, 99360), (216, 96600), (224, 93150), (225, 92736), (230, 90720), (240, 86940), (252, 82800), (270, 77280), (276, 75600), (280, 74520), (288, 72450), (300, 69552), (315, 66240), (320, 65205), (322, 64800), (324, 64400), (336, 62100), (345, 60480), (350, 59616), (360, 57960), (368, 56700), (378, 55200), (400, 52164), (405, 51520), (414, 50400), (420, 49680), (432, 48300), (448, 46575), (450, 46368), (460, 45360), (480, 43470), (483, 43200), (504, 41400), (525, 39744), (540, 38640), (552, 37800), (560, 37260), (567, 36800), (575, 36288), (576, 36225), (600, 34776), (621, 33600), (630, 33120), (644, 32400), (648, 32200), (672, 31050), (675, 30912), (690, 30240), (700, 29808), (720, 28980), (736, 28350), (756, 27600), (800, 26082), (805, 25920), (810, 25760), (828, 25200), (840, 24840), (864, 24150), (900, 23184), (920, 22680), (945, 22080), (960, 21735), (966, 21600), (1008, 20700), (1035, 20160), (1050, 19872), (1080, 19320), (1104, 18900), (1120, 18630), (1134, 18400), (1150, 18144), (1200, 17388), (1242, 16800), (1260, 16560), (1288, 16200), (1296, 16100), (1344, 15525), (1350, 15456), (1380, 15120), (1400, 14904), (1440, 14490), (1449, 14400), (1472, 14175), (1512, 13800), (1575, 13248), (1600, 13041), (1610, 12960), (1620, 12880), (1656, 12600), (1680, 12420), (1725, 12096), (1728, 12075), (1800, 11592), (1840, 11340), (1863, 11200), (1890, 11040), (1932, 10800), (2016, 10350), (2025, 10304), (2070, 10080), (2100, 9936), (2160, 9660), (2208, 9450), (2240, 9315), (2268, 9200), (2300, 9072), (2400, 8694), (2415, 8640), (2484, 8400), (2520, 8280), (2576, 8100), (2592, 8050), (2700, 7728), (2760, 7560), (2800, 7452), (2835, 7360), (2880, 7245), (2898, 7200), (3024, 6900), (3105, 6720), (3150, 6624), (3220, 6480), (3240, 6440), (3312, 6300), (3360, 6210), (3450, 6048), (3600, 5796), (3680, 5670), (3726, 5600), (3780, 5520), (3864, 5400), (4025, 5184), (4032, 5175), (4050, 5152), (4140, 5040), (4200, 4968), (4320, 4830), (4347, 4800), (4416, 4725), (4536, 4600)]