1243458720

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{439}}^1$

素因数の和:748

約数の個数: 288

約数和(自身を含む): 4877832960

約数和(自身を除く): 3634374240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 281, 288, 315, 336, 360, 420, 439, 480, 504, 560, 562, 630, 672, 720, 840, 843, 878, 1008, 1120, 1124, 1260, 1317, 1405, 1440, 1680, 1686, 1756, 1967, 2016, 2195, 2248, 2520, 2529, 2634, 2810, 3073, 3360, 3372, 3512, 3934, 3951, 4215, 4390, 4496, 5040, 5058, 5268, 5620, 5901, 6146, 6585, 6744, 7024, 7868, 7902, 8430, 8780, 8992, 9219, 9835, 10080, 10116, 10536, 11240, 11802, 12292, 12645, 13170, 13488, 14048, 15365, 15736, 15804, 16860, 17560, 17703, 18438, 19670, 19755, 20232, 21072, 22480, 23604, 24584, 25290, 26340, 26976, 27657, 29505, 30730, 31472, 31608, 33720, 35120, 35406, 36876, 39340, 39510, 40464, 42144, 44960, 46095, 47208, 49168, 50580, 52680, 55314, 59010, 61460, 62944, 63216, 67440, 70240, 70812, 73752, 78680, 79020, 80928, 88515, 92190, 94416, 98336, 101160, 105360, 110628, 118020, 122920, 123359, 126432, 134880, 138285, 141624, 147504, 157360, 158040, 177030, 184380, 188832, 202320, 210720, 221256, 236040, 245840, 246718, 276570, 283248, 295008, 314720, 316080, 354060, 368760, 370077, 404640, 442512, 472080, 491680, 493436, 553140, 566496, 616795, 632160, 708120, 737520, 740154, 863513, 885024, 944160, 986872, 1106280, 1110231, 1233590, 1416240, 1475040, 1480308, 1727026, 1850385, 1973744, 2212560, 2220462, 2467180, 2590539, 2832480, 2960616, 3454052, 3700770, 3947488, 4317565, 4425120, 4440924, 4934360, 5181078, 5551155, 5921232, 6908104, 7401540, 7771617, 8635130, 8881848, 9868720, 10362156, 11102310, 11842464, 12952695, 13816208, 14803080, 15543234, 17270260, 17763696, 19737440, 20724312, 22204620, 25905390, 27632416, 29606160, 31086468, 34540520, 35527392, 38858085, 41448624, 44409240, 51810780, 59212320, 62172936, 69081040, 77716170, 82897248, 88818480, 103621560, 124345872, 138162080, 155432340, 177636960, 207243120, 248691744, 310864680, 414486240, 621729360, 1243458720]

約数ペア:

[(1, 1243458720), (2, 621729360), (3, 414486240), (4, 310864680), (5, 248691744), (6, 207243120), (7, 177636960), (8, 155432340), (9, 138162080), (10, 124345872), (12, 103621560), (14, 88818480), (15, 82897248), (16, 77716170), (18, 69081040), (20, 62172936), (21, 59212320), (24, 51810780), (28, 44409240), (30, 41448624), (32, 38858085), (35, 35527392), (36, 34540520), (40, 31086468), (42, 29606160), (45, 27632416), (48, 25905390), (56, 22204620), (60, 20724312), (63, 19737440), (70, 17763696), (72, 17270260), (80, 15543234), (84, 14803080), (90, 13816208), (96, 12952695), (105, 11842464), (112, 11102310), (120, 10362156), (126, 9868720), (140, 8881848), (144, 8635130), (160, 7771617), (168, 7401540), (180, 6908104), (210, 5921232), (224, 5551155), (240, 5181078), (252, 4934360), (280, 4440924), (281, 4425120), (288, 4317565), (315, 3947488), (336, 3700770), (360, 3454052), (420, 2960616), (439, 2832480), (480, 2590539), (504, 2467180), (560, 2220462), (562, 2212560), (630, 1973744), (672, 1850385), (720, 1727026), (840, 1480308), (843, 1475040), (878, 1416240), (1008, 1233590), (1120, 1110231), (1124, 1106280), (1260, 986872), (1317, 944160), (1405, 885024), (1440, 863513), (1680, 740154), (1686, 737520), (1756, 708120), (1967, 632160), (2016, 616795), (2195, 566496), (2248, 553140), (2520, 493436), (2529, 491680), (2634, 472080), (2810, 442512), (3073, 404640), (3360, 370077), (3372, 368760), (3512, 354060), (3934, 316080), (3951, 314720), (4215, 295008), (4390, 283248), (4496, 276570), (5040, 246718), (5058, 245840), (5268, 236040), (5620, 221256), (5901, 210720), (6146, 202320), (6585, 188832), (6744, 184380), (7024, 177030), (7868, 158040), (7902, 157360), (8430, 147504), (8780, 141624), (8992, 138285), (9219, 134880), (9835, 126432), (10080, 123359), (10116, 122920), (10536, 118020), (11240, 110628), (11802, 105360), (12292, 101160), (12645, 98336), (13170, 94416), (13488, 92190), (14048, 88515), (15365, 80928), (15736, 79020), (15804, 78680), (16860, 73752), (17560, 70812), (17703, 70240), (18438, 67440), (19670, 63216), (19755, 62944), (20232, 61460), (21072, 59010), (22480, 55314), (23604, 52680), (24584, 50580), (25290, 49168), (26340, 47208), (26976, 46095), (27657, 44960), (29505, 42144), (30730, 40464), (31472, 39510), (31608, 39340), (33720, 36876), (35120, 35406)]