647274240

素因数分解:

$2^8\times 3^5\times 5^1\times {\mathrm{2081}}^1$

素因数の和:2117

約数の個数: 216

約数和(自身を含む): 2323561968

約数和(自身を除く): 1676287728

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, 648, 720, 768, 810, 864, 960, 972, 1080, 1152, 1215, 1280, 1296, 1440, 1620, 1728, 1920, 1944, 2081, 2160, 2304, 2430, 2592, 2880, 3240, 3456, 3840, 3888, 4162, 4320, 4860, 5184, 5760, 6243, 6480, 6912, 7776, 8324, 8640, 9720, 10368, 10405, 11520, 12486, 12960, 15552, 16648, 17280, 18729, 19440, 20736, 20810, 24972, 25920, 31104, 31215, 33296, 34560, 37458, 38880, 41620, 49944, 51840, 56187, 62208, 62430, 66592, 74916, 77760, 83240, 93645, 99888, 103680, 112374, 124860, 133184, 149832, 155520, 166480, 168561, 187290, 199776, 224748, 249720, 266368, 280935, 299664, 311040, 332960, 337122, 374580, 399552, 449496, 499440, 505683, 532736, 561870, 599328, 665920, 674244, 749160, 799104, 842805, 898992, 998880, 1011366, 1123740, 1198656, 1331840, 1348488, 1498320, 1598208, 1685610, 1797984, 1997760, 2022732, 2247480, 2397312, 2528415, 2663680, 2696976, 2996640, 3371220, 3595968, 3995520, 4045464, 4494960, 4794624, 5056830, 5393952, 5993280, 6742440, 7191936, 7991040, 8090928, 8989920, 10113660, 10787904, 11986560, 13484880, 14383872, 16181856, 17979840, 20227320, 21575808, 23973120, 26969760, 32363712, 35959680, 40454640, 43151616, 53939520, 64727424, 71919360, 80909280, 107879040, 129454848, 161818560, 215758080, 323637120, 647274240]

約数ペア:

[(1, 647274240), (2, 323637120), (3, 215758080), (4, 161818560), (5, 129454848), (6, 107879040), (8, 80909280), (9, 71919360), (10, 64727424), (12, 53939520), (15, 43151616), (16, 40454640), (18, 35959680), (20, 32363712), (24, 26969760), (27, 23973120), (30, 21575808), (32, 20227320), (36, 17979840), (40, 16181856), (45, 14383872), (48, 13484880), (54, 11986560), (60, 10787904), (64, 10113660), (72, 8989920), (80, 8090928), (81, 7991040), (90, 7191936), (96, 6742440), (108, 5993280), (120, 5393952), (128, 5056830), (135, 4794624), (144, 4494960), (160, 4045464), (162, 3995520), (180, 3595968), (192, 3371220), (216, 2996640), (240, 2696976), (243, 2663680), (256, 2528415), (270, 2397312), (288, 2247480), (320, 2022732), (324, 1997760), (360, 1797984), (384, 1685610), (405, 1598208), (432, 1498320), (480, 1348488), (486, 1331840), (540, 1198656), (576, 1123740), (640, 1011366), (648, 998880), (720, 898992), (768, 842805), (810, 799104), (864, 749160), (960, 674244), (972, 665920), (1080, 599328), (1152, 561870), (1215, 532736), (1280, 505683), (1296, 499440), (1440, 449496), (1620, 399552), (1728, 374580), (1920, 337122), (1944, 332960), (2081, 311040), (2160, 299664), (2304, 280935), (2430, 266368), (2592, 249720), (2880, 224748), (3240, 199776), (3456, 187290), (3840, 168561), (3888, 166480), (4162, 155520), (4320, 149832), (4860, 133184), (5184, 124860), (5760, 112374), (6243, 103680), (6480, 99888), (6912, 93645), (7776, 83240), (8324, 77760), (8640, 74916), (9720, 66592), (10368, 62430), (10405, 62208), (11520, 56187), (12486, 51840), (12960, 49944), (15552, 41620), (16648, 38880), (17280, 37458), (18729, 34560), (19440, 33296), (20736, 31215), (20810, 31104), (24972, 25920)]