128597760

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{61}}^2$

素因数の和:152

約数の個数: 216

約数和(自身を含む): 463947120

約数和(自身を除く): 335349360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 61, 64, 72, 80, 90, 96, 108, 120, 122, 128, 135, 144, 160, 180, 183, 192, 216, 240, 244, 256, 270, 288, 305, 320, 360, 366, 384, 432, 480, 488, 540, 549, 576, 610, 640, 720, 732, 768, 864, 915, 960, 976, 1080, 1098, 1152, 1220, 1280, 1440, 1464, 1647, 1728, 1830, 1920, 1952, 2160, 2196, 2304, 2440, 2745, 2880, 2928, 3294, 3456, 3660, 3721, 3840, 3904, 4320, 4392, 4880, 5490, 5760, 5856, 6588, 6912, 7320, 7442, 7808, 8235, 8640, 8784, 9760, 10980, 11163, 11520, 11712, 13176, 14640, 14884, 15616, 16470, 17280, 17568, 18605, 19520, 21960, 22326, 23424, 26352, 29280, 29768, 32940, 33489, 34560, 35136, 37210, 39040, 43920, 44652, 46848, 52704, 55815, 58560, 59536, 65880, 66978, 70272, 74420, 78080, 87840, 89304, 100467, 105408, 111630, 117120, 119072, 131760, 133956, 140544, 148840, 167445, 175680, 178608, 200934, 210816, 223260, 234240, 238144, 263520, 267912, 297680, 334890, 351360, 357216, 401868, 421632, 446520, 476288, 502335, 527040, 535824, 595360, 669780, 702720, 714432, 803736, 893040, 952576, 1004670, 1054080, 1071648, 1190720, 1339560, 1428864, 1607472, 1786080, 2009340, 2108160, 2143296, 2381440, 2679120, 2857728, 3214944, 3572160, 4018680, 4286592, 4762880, 5358240, 6429888, 7144320, 8037360, 8573184, 10716480, 12859776, 14288640, 16074720, 21432960, 25719552, 32149440, 42865920, 64298880, 128597760]

約数ペア:

[(1, 128597760), (2, 64298880), (3, 42865920), (4, 32149440), (5, 25719552), (6, 21432960), (8, 16074720), (9, 14288640), (10, 12859776), (12, 10716480), (15, 8573184), (16, 8037360), (18, 7144320), (20, 6429888), (24, 5358240), (27, 4762880), (30, 4286592), (32, 4018680), (36, 3572160), (40, 3214944), (45, 2857728), (48, 2679120), (54, 2381440), (60, 2143296), (61, 2108160), (64, 2009340), (72, 1786080), (80, 1607472), (90, 1428864), (96, 1339560), (108, 1190720), (120, 1071648), (122, 1054080), (128, 1004670), (135, 952576), (144, 893040), (160, 803736), (180, 714432), (183, 702720), (192, 669780), (216, 595360), (240, 535824), (244, 527040), (256, 502335), (270, 476288), (288, 446520), (305, 421632), (320, 401868), (360, 357216), (366, 351360), (384, 334890), (432, 297680), (480, 267912), (488, 263520), (540, 238144), (549, 234240), (576, 223260), (610, 210816), (640, 200934), (720, 178608), (732, 175680), (768, 167445), (864, 148840), (915, 140544), (960, 133956), (976, 131760), (1080, 119072), (1098, 117120), (1152, 111630), (1220, 105408), (1280, 100467), (1440, 89304), (1464, 87840), (1647, 78080), (1728, 74420), (1830, 70272), (1920, 66978), (1952, 65880), (2160, 59536), (2196, 58560), (2304, 55815), (2440, 52704), (2745, 46848), (2880, 44652), (2928, 43920), (3294, 39040), (3456, 37210), (3660, 35136), (3721, 34560), (3840, 33489), (3904, 32940), (4320, 29768), (4392, 29280), (4880, 26352), (5490, 23424), (5760, 22326), (5856, 21960), (6588, 19520), (6912, 18605), (7320, 17568), (7442, 17280), (7808, 16470), (8235, 15616), (8640, 14884), (8784, 14640), (9760, 13176), (10980, 11712), (11163, 11520)]