28913280

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^2$

素因数の和:107

約数の個数: 192

約数和(自身を含む): 103330080

約数和(自身を除く): 74416800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 37, 40, 44, 48, 55, 60, 64, 66, 74, 80, 88, 96, 110, 111, 120, 128, 132, 148, 160, 165, 176, 185, 192, 220, 222, 240, 264, 296, 320, 330, 352, 370, 384, 407, 440, 444, 480, 528, 555, 592, 640, 660, 704, 740, 814, 880, 888, 960, 1056, 1110, 1184, 1221, 1320, 1369, 1408, 1480, 1628, 1760, 1776, 1920, 2035, 2112, 2220, 2368, 2442, 2640, 2738, 2960, 3256, 3520, 3552, 4070, 4107, 4224, 4440, 4736, 4884, 5280, 5476, 5920, 6105, 6512, 6845, 7040, 7104, 8140, 8214, 8880, 9768, 10560, 10952, 11840, 12210, 13024, 13690, 14208, 15059, 16280, 16428, 17760, 19536, 20535, 21120, 21904, 23680, 24420, 26048, 27380, 30118, 32560, 32856, 35520, 39072, 41070, 43808, 45177, 48840, 52096, 54760, 60236, 65120, 65712, 71040, 75295, 78144, 82140, 87616, 90354, 97680, 109520, 120472, 130240, 131424, 150590, 156288, 164280, 175232, 180708, 195360, 219040, 225885, 240944, 260480, 262848, 301180, 328560, 361416, 390720, 438080, 451770, 481888, 525696, 602360, 657120, 722832, 781440, 876160, 903540, 963776, 1204720, 1314240, 1445664, 1807080, 1927552, 2409440, 2628480, 2891328, 3614160, 4818880, 5782656, 7228320, 9637760, 14456640, 28913280]

約数ペア:

[(1, 28913280), (2, 14456640), (3, 9637760), (4, 7228320), (5, 5782656), (6, 4818880), (8, 3614160), (10, 2891328), (11, 2628480), (12, 2409440), (15, 1927552), (16, 1807080), (20, 1445664), (22, 1314240), (24, 1204720), (30, 963776), (32, 903540), (33, 876160), (37, 781440), (40, 722832), (44, 657120), (48, 602360), (55, 525696), (60, 481888), (64, 451770), (66, 438080), (74, 390720), (80, 361416), (88, 328560), (96, 301180), (110, 262848), (111, 260480), (120, 240944), (128, 225885), (132, 219040), (148, 195360), (160, 180708), (165, 175232), (176, 164280), (185, 156288), (192, 150590), (220, 131424), (222, 130240), (240, 120472), (264, 109520), (296, 97680), (320, 90354), (330, 87616), (352, 82140), (370, 78144), (384, 75295), (407, 71040), (440, 65712), (444, 65120), (480, 60236), (528, 54760), (555, 52096), (592, 48840), (640, 45177), (660, 43808), (704, 41070), (740, 39072), (814, 35520), (880, 32856), (888, 32560), (960, 30118), (1056, 27380), (1110, 26048), (1184, 24420), (1221, 23680), (1320, 21904), (1369, 21120), (1408, 20535), (1480, 19536), (1628, 17760), (1760, 16428), (1776, 16280), (1920, 15059), (2035, 14208), (2112, 13690), (2220, 13024), (2368, 12210), (2442, 11840), (2640, 10952), (2738, 10560), (2960, 9768), (3256, 8880), (3520, 8214), (3552, 8140), (4070, 7104), (4107, 7040), (4224, 6845), (4440, 6512), (4736, 6105), (4884, 5920), (5280, 5476)]