28689120

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{229}}^1$

素因数の和:282

約数の個数: 192

約数和(自身を含む): 104328000

約数和(自身を除く): 75638880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 29, 30, 32, 36, 40, 45, 48, 54, 58, 60, 72, 80, 87, 90, 96, 108, 116, 120, 135, 144, 145, 160, 174, 180, 216, 229, 232, 240, 261, 270, 288, 290, 348, 360, 432, 435, 458, 464, 480, 522, 540, 580, 687, 696, 720, 783, 864, 870, 916, 928, 1044, 1080, 1145, 1160, 1305, 1374, 1392, 1440, 1566, 1740, 1832, 2061, 2088, 2160, 2290, 2320, 2610, 2748, 2784, 3132, 3435, 3480, 3664, 3915, 4122, 4176, 4320, 4580, 4640, 5220, 5496, 6183, 6264, 6641, 6870, 6960, 7328, 7830, 8244, 8352, 9160, 10305, 10440, 10992, 12366, 12528, 13282, 13740, 13920, 15660, 16488, 18320, 19923, 20610, 20880, 21984, 24732, 25056, 26564, 27480, 30915, 31320, 32976, 33205, 36640, 39846, 41220, 41760, 49464, 53128, 54960, 59769, 61830, 62640, 65952, 66410, 79692, 82440, 98928, 99615, 106256, 109920, 119538, 123660, 125280, 132820, 159384, 164880, 179307, 197856, 199230, 212512, 239076, 247320, 265640, 298845, 318768, 329760, 358614, 398460, 478152, 494640, 531280, 597690, 637536, 717228, 796920, 896535, 956304, 989280, 1062560, 1195380, 1434456, 1593840, 1793070, 1912608, 2390760, 2868912, 3187680, 3586140, 4781520, 5737824, 7172280, 9563040, 14344560, 28689120]

約数ペア:

[(1, 28689120), (2, 14344560), (3, 9563040), (4, 7172280), (5, 5737824), (6, 4781520), (8, 3586140), (9, 3187680), (10, 2868912), (12, 2390760), (15, 1912608), (16, 1793070), (18, 1593840), (20, 1434456), (24, 1195380), (27, 1062560), (29, 989280), (30, 956304), (32, 896535), (36, 796920), (40, 717228), (45, 637536), (48, 597690), (54, 531280), (58, 494640), (60, 478152), (72, 398460), (80, 358614), (87, 329760), (90, 318768), (96, 298845), (108, 265640), (116, 247320), (120, 239076), (135, 212512), (144, 199230), (145, 197856), (160, 179307), (174, 164880), (180, 159384), (216, 132820), (229, 125280), (232, 123660), (240, 119538), (261, 109920), (270, 106256), (288, 99615), (290, 98928), (348, 82440), (360, 79692), (432, 66410), (435, 65952), (458, 62640), (464, 61830), (480, 59769), (522, 54960), (540, 53128), (580, 49464), (687, 41760), (696, 41220), (720, 39846), (783, 36640), (864, 33205), (870, 32976), (916, 31320), (928, 30915), (1044, 27480), (1080, 26564), (1145, 25056), (1160, 24732), (1305, 21984), (1374, 20880), (1392, 20610), (1440, 19923), (1566, 18320), (1740, 16488), (1832, 15660), (2061, 13920), (2088, 13740), (2160, 13282), (2290, 12528), (2320, 12366), (2610, 10992), (2748, 10440), (2784, 10305), (3132, 9160), (3435, 8352), (3480, 8244), (3664, 7830), (3915, 7328), (4122, 6960), (4176, 6870), (4320, 6641), (4580, 6264), (4640, 6183), (5220, 5496)]