128542680

素因数分解:

$2^3\times 3^3\times 5^1\times 7^3\times {\mathrm{347}}^1$

素因数の和:388

約数の個数: 256

約数和(自身を含む): 501120000

約数和(自身を除く): 372577320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 49, 54, 56, 60, 63, 70, 72, 84, 90, 98, 105, 108, 120, 126, 135, 140, 147, 168, 180, 189, 196, 210, 216, 245, 252, 270, 280, 294, 315, 343, 347, 360, 378, 392, 420, 441, 490, 504, 540, 588, 630, 686, 694, 735, 756, 840, 882, 945, 980, 1029, 1041, 1080, 1176, 1260, 1323, 1372, 1388, 1470, 1512, 1715, 1735, 1764, 1890, 1960, 2058, 2082, 2205, 2429, 2520, 2646, 2744, 2776, 2940, 3087, 3123, 3430, 3470, 3528, 3780, 4116, 4164, 4410, 4858, 5145, 5205, 5292, 5880, 6174, 6246, 6615, 6860, 6940, 7287, 7560, 8232, 8328, 8820, 9261, 9369, 9716, 10290, 10410, 10584, 12145, 12348, 12492, 13230, 13720, 13880, 14574, 15435, 15615, 17003, 17640, 18522, 18738, 19432, 20580, 20820, 21861, 24290, 24696, 24984, 26460, 29148, 30870, 31230, 34006, 36435, 37044, 37476, 41160, 41640, 43722, 46305, 46845, 48580, 51009, 52920, 58296, 61740, 62460, 65583, 68012, 72870, 74088, 74952, 85015, 87444, 92610, 93690, 97160, 102018, 109305, 119021, 123480, 124920, 131166, 136024, 145740, 153027, 170030, 174888, 185220, 187380, 204036, 218610, 238042, 255045, 262332, 291480, 306054, 327915, 340060, 357063, 370440, 374760, 408072, 437220, 459081, 476084, 510090, 524664, 595105, 612108, 655830, 680120, 714126, 765135, 874440, 918162, 952168, 1020180, 1071189, 1190210, 1224216, 1311660, 1428252, 1530270, 1785315, 1836324, 2040360, 2142378, 2295405, 2380420, 2623320, 2856504, 3060540, 3213567, 3570630, 3672648, 4284756, 4590810, 4760840, 5355945, 6121080, 6427134, 7141260, 8569512, 9181620, 10711890, 12854268, 14282520, 16067835, 18363240, 21423780, 25708536, 32135670, 42847560, 64271340, 128542680]

約数ペア:

[(1, 128542680), (2, 64271340), (3, 42847560), (4, 32135670), (5, 25708536), (6, 21423780), (7, 18363240), (8, 16067835), (9, 14282520), (10, 12854268), (12, 10711890), (14, 9181620), (15, 8569512), (18, 7141260), (20, 6427134), (21, 6121080), (24, 5355945), (27, 4760840), (28, 4590810), (30, 4284756), (35, 3672648), (36, 3570630), (40, 3213567), (42, 3060540), (45, 2856504), (49, 2623320), (54, 2380420), (56, 2295405), (60, 2142378), (63, 2040360), (70, 1836324), (72, 1785315), (84, 1530270), (90, 1428252), (98, 1311660), (105, 1224216), (108, 1190210), (120, 1071189), (126, 1020180), (135, 952168), (140, 918162), (147, 874440), (168, 765135), (180, 714126), (189, 680120), (196, 655830), (210, 612108), (216, 595105), (245, 524664), (252, 510090), (270, 476084), (280, 459081), (294, 437220), (315, 408072), (343, 374760), (347, 370440), (360, 357063), (378, 340060), (392, 327915), (420, 306054), (441, 291480), (490, 262332), (504, 255045), (540, 238042), (588, 218610), (630, 204036), (686, 187380), (694, 185220), (735, 174888), (756, 170030), (840, 153027), (882, 145740), (945, 136024), (980, 131166), (1029, 124920), (1041, 123480), (1080, 119021), (1176, 109305), (1260, 102018), (1323, 97160), (1372, 93690), (1388, 92610), (1470, 87444), (1512, 85015), (1715, 74952), (1735, 74088), (1764, 72870), (1890, 68012), (1960, 65583), (2058, 62460), (2082, 61740), (2205, 58296), (2429, 52920), (2520, 51009), (2646, 48580), (2744, 46845), (2776, 46305), (2940, 43722), (3087, 41640), (3123, 41160), (3430, 37476), (3470, 37044), (3528, 36435), (3780, 34006), (4116, 31230), (4164, 30870), (4410, 29148), (4858, 26460), (5145, 24984), (5205, 24696), (5292, 24290), (5880, 21861), (6174, 20820), (6246, 20580), (6615, 19432), (6860, 18738), (6940, 18522), (7287, 17640), (7560, 17003), (8232, 15615), (8328, 15435), (8820, 14574), (9261, 13880), (9369, 13720), (9716, 13230), (10290, 12492), (10410, 12348), (10584, 12145)]