261348480

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{157}}^1$

素因数の和:216

約数の個数: 288

約数和(自身を含む): 964784340

約数和(自身を除く): 703435860

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 32, 34, 36, 40, 45, 48, 51, 60, 64, 68, 72, 80, 85, 90, 96, 102, 120, 128, 136, 144, 153, 157, 160, 170, 180, 192, 204, 240, 255, 272, 288, 289, 306, 314, 320, 340, 360, 384, 408, 471, 480, 510, 544, 576, 578, 612, 628, 640, 680, 720, 765, 785, 816, 867, 942, 960, 1020, 1088, 1152, 1156, 1224, 1256, 1360, 1413, 1440, 1445, 1530, 1570, 1632, 1734, 1884, 1920, 2040, 2176, 2312, 2355, 2448, 2512, 2601, 2669, 2720, 2826, 2880, 2890, 3060, 3140, 3264, 3468, 3768, 4080, 4335, 4624, 4710, 4896, 5024, 5202, 5338, 5440, 5652, 5760, 5780, 6120, 6280, 6528, 6936, 7065, 7536, 8007, 8160, 8670, 9248, 9420, 9792, 10048, 10404, 10676, 10880, 11304, 11560, 12240, 12560, 13005, 13345, 13872, 14130, 15072, 16014, 16320, 17340, 18496, 18840, 19584, 20096, 20808, 21352, 22608, 23120, 24021, 24480, 25120, 26010, 26690, 27744, 28260, 30144, 32028, 32640, 34680, 36992, 37680, 40035, 41616, 42704, 45216, 45373, 46240, 48042, 48960, 50240, 52020, 53380, 55488, 56520, 60288, 64056, 69360, 75360, 80070, 83232, 85408, 90432, 90746, 92480, 96084, 97920, 100480, 104040, 106760, 110976, 113040, 120105, 128112, 136119, 138720, 150720, 160140, 166464, 170816, 180864, 181492, 184960, 192168, 208080, 213520, 226080, 226865, 240210, 256224, 272238, 277440, 301440, 320280, 332928, 341632, 362984, 384336, 408357, 416160, 427040, 452160, 453730, 480420, 512448, 544476, 554880, 640560, 680595, 725968, 768672, 816714, 832320, 854080, 904320, 907460, 960840, 1024896, 1088952, 1281120, 1361190, 1451936, 1537344, 1633428, 1664640, 1708160, 1814920, 1921680, 2041785, 2177904, 2562240, 2722380, 2903872, 3074688, 3266856, 3629840, 3843360, 4083570, 4355808, 5124480, 5444760, 5807744, 6533712, 7259680, 7686720, 8167140, 8711616, 10889520, 13067424, 14519360, 15373440, 16334280, 17423232, 21779040, 26134848, 29038720, 32668560, 43558080, 52269696, 65337120, 87116160, 130674240, 261348480]

約数ペア:

[(1, 261348480), (2, 130674240), (3, 87116160), (4, 65337120), (5, 52269696), (6, 43558080), (8, 32668560), (9, 29038720), (10, 26134848), (12, 21779040), (15, 17423232), (16, 16334280), (17, 15373440), (18, 14519360), (20, 13067424), (24, 10889520), (30, 8711616), (32, 8167140), (34, 7686720), (36, 7259680), (40, 6533712), (45, 5807744), (48, 5444760), (51, 5124480), (60, 4355808), (64, 4083570), (68, 3843360), (72, 3629840), (80, 3266856), (85, 3074688), (90, 2903872), (96, 2722380), (102, 2562240), (120, 2177904), (128, 2041785), (136, 1921680), (144, 1814920), (153, 1708160), (157, 1664640), (160, 1633428), (170, 1537344), (180, 1451936), (192, 1361190), (204, 1281120), (240, 1088952), (255, 1024896), (272, 960840), (288, 907460), (289, 904320), (306, 854080), (314, 832320), (320, 816714), (340, 768672), (360, 725968), (384, 680595), (408, 640560), (471, 554880), (480, 544476), (510, 512448), (544, 480420), (576, 453730), (578, 452160), (612, 427040), (628, 416160), (640, 408357), (680, 384336), (720, 362984), (765, 341632), (785, 332928), (816, 320280), (867, 301440), (942, 277440), (960, 272238), (1020, 256224), (1088, 240210), (1152, 226865), (1156, 226080), (1224, 213520), (1256, 208080), (1360, 192168), (1413, 184960), (1440, 181492), (1445, 180864), (1530, 170816), (1570, 166464), (1632, 160140), (1734, 150720), (1884, 138720), (1920, 136119), (2040, 128112), (2176, 120105), (2312, 113040), (2355, 110976), (2448, 106760), (2512, 104040), (2601, 100480), (2669, 97920), (2720, 96084), (2826, 92480), (2880, 90746), (2890, 90432), (3060, 85408), (3140, 83232), (3264, 80070), (3468, 75360), (3768, 69360), (4080, 64056), (4335, 60288), (4624, 56520), (4710, 55488), (4896, 53380), (5024, 52020), (5202, 50240), (5338, 48960), (5440, 48042), (5652, 46240), (5760, 45373), (5780, 45216), (6120, 42704), (6280, 41616), (6528, 40035), (6936, 37680), (7065, 36992), (7536, 34680), (8007, 32640), (8160, 32028), (8670, 30144), (9248, 28260), (9420, 27744), (9792, 26690), (10048, 26010), (10404, 25120), (10676, 24480), (10880, 24021), (11304, 23120), (11560, 22608), (12240, 21352), (12560, 20808), (13005, 20096), (13345, 19584), (13872, 18840), (14130, 18496), (15072, 17340), (16014, 16320)]