199998720

素因数分解:

$2^8\times 3^5\times 5^1\times {\mathrm{643}}^1$

素因数の和:679

約数の個数: 216

約数和(自身を含む): 718719456

約数和(自身を除く): 518720736

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, 64, 72, 80, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 243, 256, 270, 288, 320, 324, 360, 384, 405, 432, 480, 486, 540, 576, 640, 643, 648, 720, 768, 810, 864, 960, 972, 1080, 1152, 1215, 1280, 1286, 1296, 1440, 1620, 1728, 1920, 1929, 1944, 2160, 2304, 2430, 2572, 2592, 2880, 3215, 3240, 3456, 3840, 3858, 3888, 4320, 4860, 5144, 5184, 5760, 5787, 6430, 6480, 6912, 7716, 7776, 8640, 9645, 9720, 10288, 10368, 11520, 11574, 12860, 12960, 15432, 15552, 17280, 17361, 19290, 19440, 20576, 20736, 23148, 25720, 25920, 28935, 30864, 31104, 34560, 34722, 38580, 38880, 41152, 46296, 51440, 51840, 52083, 57870, 61728, 62208, 69444, 77160, 77760, 82304, 86805, 92592, 102880, 103680, 104166, 115740, 123456, 138888, 154320, 155520, 156249, 164608, 173610, 185184, 205760, 208332, 231480, 246912, 260415, 277776, 308640, 311040, 312498, 347220, 370368, 411520, 416664, 462960, 493824, 520830, 555552, 617280, 624996, 694440, 740736, 781245, 823040, 833328, 925920, 1041660, 1111104, 1234560, 1249992, 1388880, 1481472, 1562490, 1666656, 1851840, 2083320, 2222208, 2469120, 2499984, 2777760, 3124980, 3333312, 3703680, 4166640, 4444416, 4999968, 5555520, 6249960, 6666624, 7407360, 8333280, 9999936, 11111040, 12499920, 13333248, 16666560, 19999872, 22222080, 24999840, 33333120, 39999744, 49999680, 66666240, 99999360, 199998720]

約数ペア:

[(1, 199998720), (2, 99999360), (3, 66666240), (4, 49999680), (5, 39999744), (6, 33333120), (8, 24999840), (9, 22222080), (10, 19999872), (12, 16666560), (15, 13333248), (16, 12499920), (18, 11111040), (20, 9999936), (24, 8333280), (27, 7407360), (30, 6666624), (32, 6249960), (36, 5555520), (40, 4999968), (45, 4444416), (48, 4166640), (54, 3703680), (60, 3333312), (64, 3124980), (72, 2777760), (80, 2499984), (81, 2469120), (90, 2222208), (96, 2083320), (108, 1851840), (120, 1666656), (128, 1562490), (135, 1481472), (144, 1388880), (160, 1249992), (162, 1234560), (180, 1111104), (192, 1041660), (216, 925920), (240, 833328), (243, 823040), (256, 781245), (270, 740736), (288, 694440), (320, 624996), (324, 617280), (360, 555552), (384, 520830), (405, 493824), (432, 462960), (480, 416664), (486, 411520), (540, 370368), (576, 347220), (640, 312498), (643, 311040), (648, 308640), (720, 277776), (768, 260415), (810, 246912), (864, 231480), (960, 208332), (972, 205760), (1080, 185184), (1152, 173610), (1215, 164608), (1280, 156249), (1286, 155520), (1296, 154320), (1440, 138888), (1620, 123456), (1728, 115740), (1920, 104166), (1929, 103680), (1944, 102880), (2160, 92592), (2304, 86805), (2430, 82304), (2572, 77760), (2592, 77160), (2880, 69444), (3215, 62208), (3240, 61728), (3456, 57870), (3840, 52083), (3858, 51840), (3888, 51440), (4320, 46296), (4860, 41152), (5144, 38880), (5184, 38580), (5760, 34722), (5787, 34560), (6430, 31104), (6480, 30864), (6912, 28935), (7716, 25920), (7776, 25720), (8640, 23148), (9645, 20736), (9720, 20576), (10288, 19440), (10368, 19290), (11520, 17361), (11574, 17280), (12860, 15552), (12960, 15432)]