647066880

素因数分解:

$2^8\times 3^4\times 5^1\times {\mathrm{79}}^2$

素因数の和:191

約数の個数: 270

約数和(自身を含む): 2345002506

約数和(自身を除く): 1697935626

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, 79, 80, 81, 90, 96, 108, 120, 128, 135, 144, 158, 160, 162, 180, 192, 216, 237, 240, 256, 270, 288, 316, 320, 324, 360, 384, 395, 405, 432, 474, 480, 540, 576, 632, 640, 648, 711, 720, 768, 790, 810, 864, 948, 960, 1080, 1152, 1185, 1264, 1280, 1296, 1422, 1440, 1580, 1620, 1728, 1896, 1920, 2133, 2160, 2304, 2370, 2528, 2592, 2844, 2880, 3160, 3240, 3456, 3555, 3792, 3840, 4266, 4320, 4740, 5056, 5184, 5688, 5760, 6241, 6320, 6399, 6480, 6912, 7110, 7584, 8532, 8640, 9480, 10112, 10368, 10665, 11376, 11520, 12482, 12640, 12798, 12960, 14220, 15168, 17064, 17280, 18723, 18960, 20224, 20736, 21330, 22752, 24964, 25280, 25596, 25920, 28440, 30336, 31205, 31995, 34128, 34560, 37446, 37920, 42660, 45504, 49928, 50560, 51192, 51840, 56169, 56880, 60672, 62410, 63990, 68256, 74892, 75840, 85320, 91008, 93615, 99856, 101120, 102384, 103680, 112338, 113760, 124820, 127980, 136512, 149784, 151680, 168507, 170640, 182016, 187230, 199712, 204768, 224676, 227520, 249640, 255960, 273024, 280845, 299568, 303360, 337014, 341280, 374460, 399424, 409536, 449352, 455040, 499280, 505521, 511920, 546048, 561690, 599136, 674028, 682560, 748920, 798848, 819072, 842535, 898704, 910080, 998560, 1011042, 1023840, 1123380, 1198272, 1348056, 1365120, 1497840, 1597696, 1638144, 1685070, 1797408, 1997120, 2022084, 2047680, 2246760, 2396544, 2527605, 2696112, 2730240, 2995680, 3370140, 3594816, 3994240, 4044168, 4095360, 4493520, 4793088, 5055210, 5392224, 5991360, 6740280, 7189632, 7988480, 8088336, 8190720, 8987040, 10110420, 10784448, 11982720, 13480560, 14379264, 16176672, 17974080, 20220840, 21568896, 23965440, 26961120, 32353344, 35948160, 40441680, 43137792, 53922240, 64706688, 71896320, 80883360, 107844480, 129413376, 161766720, 215688960, 323533440, 647066880]

約数ペア:

[(1, 647066880), (2, 323533440), (3, 215688960), (4, 161766720), (5, 129413376), (6, 107844480), (8, 80883360), (9, 71896320), (10, 64706688), (12, 53922240), (15, 43137792), (16, 40441680), (18, 35948160), (20, 32353344), (24, 26961120), (27, 23965440), (30, 21568896), (32, 20220840), (36, 17974080), (40, 16176672), (45, 14379264), (48, 13480560), (54, 11982720), (60, 10784448), (64, 10110420), (72, 8987040), (79, 8190720), (80, 8088336), (81, 7988480), (90, 7189632), (96, 6740280), (108, 5991360), (120, 5392224), (128, 5055210), (135, 4793088), (144, 4493520), (158, 4095360), (160, 4044168), (162, 3994240), (180, 3594816), (192, 3370140), (216, 2995680), (237, 2730240), (240, 2696112), (256, 2527605), (270, 2396544), (288, 2246760), (316, 2047680), (320, 2022084), (324, 1997120), (360, 1797408), (384, 1685070), (395, 1638144), (405, 1597696), (432, 1497840), (474, 1365120), (480, 1348056), (540, 1198272), (576, 1123380), (632, 1023840), (640, 1011042), (648, 998560), (711, 910080), (720, 898704), (768, 842535), (790, 819072), (810, 798848), (864, 748920), (948, 682560), (960, 674028), (1080, 599136), (1152, 561690), (1185, 546048), (1264, 511920), (1280, 505521), (1296, 499280), (1422, 455040), (1440, 449352), (1580, 409536), (1620, 399424), (1728, 374460), (1896, 341280), (1920, 337014), (2133, 303360), (2160, 299568), (2304, 280845), (2370, 273024), (2528, 255960), (2592, 249640), (2844, 227520), (2880, 224676), (3160, 204768), (3240, 199712), (3456, 187230), (3555, 182016), (3792, 170640), (3840, 168507), (4266, 151680), (4320, 149784), (4740, 136512), (5056, 127980), (5184, 124820), (5688, 113760), (5760, 112338), (6241, 103680), (6320, 102384), (6399, 101120), (6480, 99856), (6912, 93615), (7110, 91008), (7584, 85320), (8532, 75840), (8640, 74892), (9480, 68256), (10112, 63990), (10368, 62410), (10665, 60672), (11376, 56880), (11520, 56169), (12482, 51840), (12640, 51192), (12798, 50560), (12960, 49928), (14220, 45504), (15168, 42660), (17064, 37920), (17280, 37446), (18723, 34560), (18960, 34128), (20224, 31995), (20736, 31205), (21330, 30336), (22752, 28440), (24964, 25920), (25280, 25596)]