721262016

素因数分解:

$2^6\times 3^3\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{389}}^1$

素因数の和:476

約数の個数: 224

約数和(自身を含む): 2258568000

約数和(自身を除く): 1537305984

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 29, 32, 36, 37, 48, 54, 58, 64, 72, 74, 87, 96, 108, 111, 116, 144, 148, 174, 192, 216, 222, 232, 261, 288, 296, 333, 348, 389, 432, 444, 464, 522, 576, 592, 666, 696, 778, 783, 864, 888, 928, 999, 1044, 1073, 1167, 1184, 1332, 1392, 1556, 1566, 1728, 1776, 1856, 1998, 2088, 2146, 2334, 2368, 2664, 2784, 3112, 3132, 3219, 3501, 3552, 3996, 4176, 4292, 4668, 5328, 5568, 6224, 6264, 6438, 7002, 7104, 7992, 8352, 8584, 9336, 9657, 10503, 10656, 11281, 12448, 12528, 12876, 14004, 14393, 15984, 16704, 17168, 18672, 19314, 21006, 21312, 22562, 24896, 25056, 25752, 28008, 28786, 28971, 31968, 33843, 34336, 37344, 38628, 42012, 43179, 45124, 50112, 51504, 56016, 57572, 57942, 63936, 67686, 68672, 74688, 77256, 84024, 86358, 90248, 101529, 103008, 112032, 115144, 115884, 129537, 135372, 154512, 168048, 172716, 180496, 203058, 206016, 224064, 230288, 231768, 259074, 270744, 304587, 309024, 336096, 345432, 360992, 388611, 406116, 417397, 460576, 463536, 518148, 541488, 609174, 618048, 672192, 690864, 721984, 777222, 812232, 834794, 921152, 927072, 1036296, 1082976, 1218348, 1252191, 1381728, 1554444, 1624464, 1669588, 1854144, 2072592, 2165952, 2436696, 2504382, 2763456, 3108888, 3248928, 3339176, 3756573, 4145184, 4873392, 5008764, 6217776, 6497856, 6678352, 7513146, 8290368, 9746784, 10017528, 11269719, 12435552, 13356704, 15026292, 19493568, 20035056, 22539438, 24871104, 26713408, 30052584, 40070112, 45078876, 60105168, 80140224, 90157752, 120210336, 180315504, 240420672, 360631008, 721262016]

約数ペア:

[(1, 721262016), (2, 360631008), (3, 240420672), (4, 180315504), (6, 120210336), (8, 90157752), (9, 80140224), (12, 60105168), (16, 45078876), (18, 40070112), (24, 30052584), (27, 26713408), (29, 24871104), (32, 22539438), (36, 20035056), (37, 19493568), (48, 15026292), (54, 13356704), (58, 12435552), (64, 11269719), (72, 10017528), (74, 9746784), (87, 8290368), (96, 7513146), (108, 6678352), (111, 6497856), (116, 6217776), (144, 5008764), (148, 4873392), (174, 4145184), (192, 3756573), (216, 3339176), (222, 3248928), (232, 3108888), (261, 2763456), (288, 2504382), (296, 2436696), (333, 2165952), (348, 2072592), (389, 1854144), (432, 1669588), (444, 1624464), (464, 1554444), (522, 1381728), (576, 1252191), (592, 1218348), (666, 1082976), (696, 1036296), (778, 927072), (783, 921152), (864, 834794), (888, 812232), (928, 777222), (999, 721984), (1044, 690864), (1073, 672192), (1167, 618048), (1184, 609174), (1332, 541488), (1392, 518148), (1556, 463536), (1566, 460576), (1728, 417397), (1776, 406116), (1856, 388611), (1998, 360992), (2088, 345432), (2146, 336096), (2334, 309024), (2368, 304587), (2664, 270744), (2784, 259074), (3112, 231768), (3132, 230288), (3219, 224064), (3501, 206016), (3552, 203058), (3996, 180496), (4176, 172716), (4292, 168048), (4668, 154512), (5328, 135372), (5568, 129537), (6224, 115884), (6264, 115144), (6438, 112032), (7002, 103008), (7104, 101529), (7992, 90248), (8352, 86358), (8584, 84024), (9336, 77256), (9657, 74688), (10503, 68672), (10656, 67686), (11281, 63936), (12448, 57942), (12528, 57572), (12876, 56016), (14004, 51504), (14393, 50112), (15984, 45124), (16704, 43179), (17168, 42012), (18672, 38628), (19314, 37344), (21006, 34336), (21312, 33843), (22562, 31968), (24896, 28971), (25056, 28786), (25752, 28008)]