640030464

素因数分解:

$2^8\times 3^3\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:188

約数の個数: 288

約数和(自身を含む): 2040729600

約数和(自身を除く): 1400699136

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 29, 31, 32, 36, 48, 54, 58, 62, 64, 72, 87, 93, 96, 103, 108, 116, 124, 128, 144, 174, 186, 192, 206, 216, 232, 248, 256, 261, 279, 288, 309, 348, 372, 384, 412, 432, 464, 496, 522, 558, 576, 618, 696, 744, 768, 783, 824, 837, 864, 899, 927, 928, 992, 1044, 1116, 1152, 1236, 1392, 1488, 1566, 1648, 1674, 1728, 1798, 1854, 1856, 1984, 2088, 2232, 2304, 2472, 2697, 2781, 2784, 2976, 2987, 3132, 3193, 3296, 3348, 3456, 3596, 3708, 3712, 3968, 4176, 4464, 4944, 5394, 5562, 5568, 5952, 5974, 6264, 6386, 6592, 6696, 6912, 7192, 7416, 7424, 7936, 8091, 8352, 8928, 8961, 9579, 9888, 10788, 11124, 11136, 11904, 11948, 12528, 12772, 13184, 13392, 14384, 14832, 16182, 16704, 17856, 17922, 19158, 19776, 21576, 22248, 22272, 23808, 23896, 24273, 25056, 25544, 26368, 26784, 26883, 28737, 28768, 29664, 32364, 33408, 35712, 35844, 38316, 39552, 43152, 44496, 47792, 48546, 50112, 51088, 53568, 53766, 57474, 57536, 59328, 64728, 66816, 71424, 71688, 76632, 79104, 80649, 86211, 86304, 88992, 92597, 95584, 97092, 100224, 102176, 107136, 107532, 114948, 115072, 118656, 129456, 143376, 153264, 161298, 172422, 172608, 177984, 185194, 191168, 194184, 200448, 204352, 214272, 215064, 229896, 230144, 237312, 258912, 277791, 286752, 306528, 322596, 344844, 345216, 355968, 370388, 382336, 388368, 408704, 430128, 459792, 517824, 555582, 573504, 613056, 645192, 689688, 690432, 711936, 740776, 764672, 776736, 817408, 833373, 860256, 919584, 1035648, 1111164, 1147008, 1226112, 1290384, 1379376, 1481552, 1553472, 1666746, 1720512, 1839168, 2071296, 2222328, 2294016, 2452224, 2500119, 2580768, 2758752, 2963104, 3106944, 3333492, 3441024, 3678336, 4444656, 5000238, 5161536, 5517504, 5926208, 6213888, 6666984, 6882048, 7356672, 8889312, 10000476, 10323072, 11035008, 11852416, 13333968, 17778624, 20000952, 20646144, 22070016, 23704832, 26667936, 35557248, 40001904, 53335872, 71114496, 80003808, 106671744, 160007616, 213343488, 320015232, 640030464]

約数ペア:

[(1, 640030464), (2, 320015232), (3, 213343488), (4, 160007616), (6, 106671744), (8, 80003808), (9, 71114496), (12, 53335872), (16, 40001904), (18, 35557248), (24, 26667936), (27, 23704832), (29, 22070016), (31, 20646144), (32, 20000952), (36, 17778624), (48, 13333968), (54, 11852416), (58, 11035008), (62, 10323072), (64, 10000476), (72, 8889312), (87, 7356672), (93, 6882048), (96, 6666984), (103, 6213888), (108, 5926208), (116, 5517504), (124, 5161536), (128, 5000238), (144, 4444656), (174, 3678336), (186, 3441024), (192, 3333492), (206, 3106944), (216, 2963104), (232, 2758752), (248, 2580768), (256, 2500119), (261, 2452224), (279, 2294016), (288, 2222328), (309, 2071296), (348, 1839168), (372, 1720512), (384, 1666746), (412, 1553472), (432, 1481552), (464, 1379376), (496, 1290384), (522, 1226112), (558, 1147008), (576, 1111164), (618, 1035648), (696, 919584), (744, 860256), (768, 833373), (783, 817408), (824, 776736), (837, 764672), (864, 740776), (899, 711936), (927, 690432), (928, 689688), (992, 645192), (1044, 613056), (1116, 573504), (1152, 555582), (1236, 517824), (1392, 459792), (1488, 430128), (1566, 408704), (1648, 388368), (1674, 382336), (1728, 370388), (1798, 355968), (1854, 345216), (1856, 344844), (1984, 322596), (2088, 306528), (2232, 286752), (2304, 277791), (2472, 258912), (2697, 237312), (2781, 230144), (2784, 229896), (2976, 215064), (2987, 214272), (3132, 204352), (3193, 200448), (3296, 194184), (3348, 191168), (3456, 185194), (3596, 177984), (3708, 172608), (3712, 172422), (3968, 161298), (4176, 153264), (4464, 143376), (4944, 129456), (5394, 118656), (5562, 115072), (5568, 114948), (5952, 107532), (5974, 107136), (6264, 102176), (6386, 100224), (6592, 97092), (6696, 95584), (6912, 92597), (7192, 88992), (7416, 86304), (7424, 86211), (7936, 80649), (8091, 79104), (8352, 76632), (8928, 71688), (8961, 71424), (9579, 66816), (9888, 64728), (10788, 59328), (11124, 57536), (11136, 57474), (11904, 53766), (11948, 53568), (12528, 51088), (12772, 50112), (13184, 48546), (13392, 47792), (14384, 44496), (14832, 43152), (16182, 39552), (16704, 38316), (17856, 35844), (17922, 35712), (19158, 33408), (19776, 32364), (21576, 29664), (22248, 28768), (22272, 28737), (23808, 26883), (23896, 26784), (24273, 26368), (25056, 25544)]