1781495040

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{281}}^1$

素因数の和:445

約数の個数: 288

約数和(自身を含む): 6197538816

約数和(自身を除く): 4416043776

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, 127, 128, 130, 156, 160, 192, 195, 208, 240, 254, 256, 260, 281, 312, 320, 381, 384, 390, 416, 480, 508, 520, 562, 624, 635, 640, 762, 768, 780, 832, 843, 960, 1016, 1040, 1124, 1248, 1270, 1280, 1405, 1524, 1560, 1651, 1664, 1686, 1905, 1920, 2032, 2080, 2248, 2496, 2540, 2810, 3048, 3120, 3302, 3328, 3372, 3653, 3810, 3840, 4064, 4160, 4215, 4496, 4953, 4992, 5080, 5620, 6096, 6240, 6604, 6744, 7306, 7620, 8128, 8255, 8320, 8430, 8992, 9906, 9984, 10160, 10959, 11240, 12192, 12480, 13208, 13488, 14612, 15240, 16256, 16510, 16640, 16860, 17984, 18265, 19812, 20320, 21918, 22480, 24384, 24765, 24960, 26416, 26976, 29224, 30480, 32512, 33020, 33720, 35687, 35968, 36530, 39624, 40640, 43836, 44960, 48768, 49530, 49920, 52832, 53952, 54795, 58448, 60960, 66040, 67440, 71374, 71936, 73060, 79248, 81280, 87672, 89920, 97536, 99060, 105664, 107061, 107904, 109590, 116896, 121920, 132080, 134880, 142748, 146120, 158496, 162560, 175344, 178435, 179840, 198120, 211328, 214122, 215808, 219180, 233792, 243840, 264160, 269760, 285496, 292240, 316992, 350688, 356870, 359680, 396240, 422656, 428244, 438360, 463931, 467584, 487680, 528320, 535305, 539520, 570992, 584480, 633984, 701376, 713740, 792480, 856488, 876720, 927862, 935168, 1056640, 1070610, 1079040, 1141984, 1168960, 1267968, 1391793, 1402752, 1427480, 1584960, 1712976, 1753440, 1855724, 2113280, 2141220, 2283968, 2319655, 2337920, 2783586, 2805504, 2854960, 3169920, 3425952, 3506880, 3711448, 4282440, 4567936, 4639310, 4675840, 5567172, 5709920, 6339840, 6851904, 6958965, 7013760, 7422896, 8564880, 9135872, 9278620, 11134344, 11419840, 13703808, 13917930, 14027520, 14845792, 17129760, 18557240, 22268688, 22839680, 27407616, 27835860, 29691584, 34259520, 37114480, 44537376, 45679360, 55671720, 59383168, 68519040, 74228960, 89074752, 111343440, 118766336, 137038080, 148457920, 178149504, 222686880, 296915840, 356299008, 445373760, 593831680, 890747520, 1781495040]

約数ペア:

[(1, 1781495040), (2, 890747520), (3, 593831680), (4, 445373760), (5, 356299008), (6, 296915840), (8, 222686880), (10, 178149504), (12, 148457920), (13, 137038080), (15, 118766336), (16, 111343440), (20, 89074752), (24, 74228960), (26, 68519040), (30, 59383168), (32, 55671720), (39, 45679360), (40, 44537376), (48, 37114480), (52, 34259520), (60, 29691584), (64, 27835860), (65, 27407616), (78, 22839680), (80, 22268688), (96, 18557240), (104, 17129760), (120, 14845792), (127, 14027520), (128, 13917930), (130, 13703808), (156, 11419840), (160, 11134344), (192, 9278620), (195, 9135872), (208, 8564880), (240, 7422896), (254, 7013760), (256, 6958965), (260, 6851904), (281, 6339840), (312, 5709920), (320, 5567172), (381, 4675840), (384, 4639310), (390, 4567936), (416, 4282440), (480, 3711448), (508, 3506880), (520, 3425952), (562, 3169920), (624, 2854960), (635, 2805504), (640, 2783586), (762, 2337920), (768, 2319655), (780, 2283968), (832, 2141220), (843, 2113280), (960, 1855724), (1016, 1753440), (1040, 1712976), (1124, 1584960), (1248, 1427480), (1270, 1402752), (1280, 1391793), (1405, 1267968), (1524, 1168960), (1560, 1141984), (1651, 1079040), (1664, 1070610), (1686, 1056640), (1905, 935168), (1920, 927862), (2032, 876720), (2080, 856488), (2248, 792480), (2496, 713740), (2540, 701376), (2810, 633984), (3048, 584480), (3120, 570992), (3302, 539520), (3328, 535305), (3372, 528320), (3653, 487680), (3810, 467584), (3840, 463931), (4064, 438360), (4160, 428244), (4215, 422656), (4496, 396240), (4953, 359680), (4992, 356870), (5080, 350688), (5620, 316992), (6096, 292240), (6240, 285496), (6604, 269760), (6744, 264160), (7306, 243840), (7620, 233792), (8128, 219180), (8255, 215808), (8320, 214122), (8430, 211328), (8992, 198120), (9906, 179840), (9984, 178435), (10160, 175344), (10959, 162560), (11240, 158496), (12192, 146120), (12480, 142748), (13208, 134880), (13488, 132080), (14612, 121920), (15240, 116896), (16256, 109590), (16510, 107904), (16640, 107061), (16860, 105664), (17984, 99060), (18265, 97536), (19812, 89920), (20320, 87672), (21918, 81280), (22480, 79248), (24384, 73060), (24765, 71936), (24960, 71374), (26416, 67440), (26976, 66040), (29224, 60960), (30480, 58448), (32512, 54795), (33020, 53952), (33720, 52832), (35687, 49920), (35968, 49530), (36530, 48768), (39624, 44960), (40640, 43836)]