639297792

素因数分解:

$2^8\times 3^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1$

素因数の和:286

約数の個数: 288

約数和(自身を含む): 2202287360

約数和(自身を除く): 1562989568

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 64, 72, 73, 84, 96, 108, 112, 126, 128, 144, 146, 168, 181, 189, 192, 216, 219, 224, 252, 256, 288, 292, 336, 362, 378, 384, 432, 438, 448, 504, 511, 543, 576, 584, 657, 672, 724, 756, 768, 864, 876, 896, 1008, 1022, 1086, 1152, 1168, 1267, 1314, 1344, 1448, 1512, 1533, 1629, 1728, 1752, 1792, 1971, 2016, 2044, 2172, 2304, 2336, 2534, 2628, 2688, 2896, 3024, 3066, 3258, 3456, 3504, 3801, 3942, 4032, 4088, 4344, 4599, 4672, 4887, 5068, 5256, 5376, 5792, 6048, 6132, 6516, 6912, 7008, 7602, 7884, 8064, 8176, 8688, 9198, 9344, 9774, 10136, 10512, 11403, 11584, 12096, 12264, 13032, 13213, 13797, 14016, 15204, 15768, 16128, 16352, 17376, 18396, 18688, 19548, 20272, 21024, 22806, 23168, 24192, 24528, 26064, 26426, 27594, 28032, 30408, 31536, 32704, 34209, 34752, 36792, 39096, 39639, 40544, 42048, 45612, 46336, 48384, 49056, 52128, 52852, 55188, 56064, 60816, 63072, 65408, 68418, 69504, 73584, 78192, 79278, 81088, 84096, 91224, 92491, 98112, 104256, 105704, 110376, 118917, 121632, 126144, 130816, 136836, 139008, 147168, 156384, 158556, 162176, 168192, 182448, 184982, 196224, 208512, 211408, 220752, 237834, 243264, 252288, 273672, 277473, 294336, 312768, 317112, 324352, 356751, 364896, 369964, 392448, 417024, 422816, 441504, 475668, 486528, 504576, 547344, 554946, 588672, 625536, 634224, 713502, 729792, 739928, 832419, 845632, 883008, 951336, 973056, 1094688, 1109892, 1177344, 1251072, 1268448, 1427004, 1459584, 1479856, 1664838, 1691264, 1766016, 1902672, 2189376, 2219784, 2497257, 2536896, 2854008, 2919168, 2959712, 3329676, 3382528, 3532032, 3805344, 4378752, 4439568, 4994514, 5073792, 5708016, 5919424, 6659352, 7610688, 8757504, 8879136, 9989028, 10147584, 11416032, 11838848, 13318704, 15221376, 17758272, 19978056, 22832064, 23677696, 26637408, 30442752, 35516544, 39956112, 45664128, 53274816, 71033088, 79912224, 91328256, 106549632, 159824448, 213099264, 319648896, 639297792]

約数ペア:

[(1, 639297792), (2, 319648896), (3, 213099264), (4, 159824448), (6, 106549632), (7, 91328256), (8, 79912224), (9, 71033088), (12, 53274816), (14, 45664128), (16, 39956112), (18, 35516544), (21, 30442752), (24, 26637408), (27, 23677696), (28, 22832064), (32, 19978056), (36, 17758272), (42, 15221376), (48, 13318704), (54, 11838848), (56, 11416032), (63, 10147584), (64, 9989028), (72, 8879136), (73, 8757504), (84, 7610688), (96, 6659352), (108, 5919424), (112, 5708016), (126, 5073792), (128, 4994514), (144, 4439568), (146, 4378752), (168, 3805344), (181, 3532032), (189, 3382528), (192, 3329676), (216, 2959712), (219, 2919168), (224, 2854008), (252, 2536896), (256, 2497257), (288, 2219784), (292, 2189376), (336, 1902672), (362, 1766016), (378, 1691264), (384, 1664838), (432, 1479856), (438, 1459584), (448, 1427004), (504, 1268448), (511, 1251072), (543, 1177344), (576, 1109892), (584, 1094688), (657, 973056), (672, 951336), (724, 883008), (756, 845632), (768, 832419), (864, 739928), (876, 729792), (896, 713502), (1008, 634224), (1022, 625536), (1086, 588672), (1152, 554946), (1168, 547344), (1267, 504576), (1314, 486528), (1344, 475668), (1448, 441504), (1512, 422816), (1533, 417024), (1629, 392448), (1728, 369964), (1752, 364896), (1792, 356751), (1971, 324352), (2016, 317112), (2044, 312768), (2172, 294336), (2304, 277473), (2336, 273672), (2534, 252288), (2628, 243264), (2688, 237834), (2896, 220752), (3024, 211408), (3066, 208512), (3258, 196224), (3456, 184982), (3504, 182448), (3801, 168192), (3942, 162176), (4032, 158556), (4088, 156384), (4344, 147168), (4599, 139008), (4672, 136836), (4887, 130816), (5068, 126144), (5256, 121632), (5376, 118917), (5792, 110376), (6048, 105704), (6132, 104256), (6516, 98112), (6912, 92491), (7008, 91224), (7602, 84096), (7884, 81088), (8064, 79278), (8176, 78192), (8688, 73584), (9198, 69504), (9344, 68418), (9774, 65408), (10136, 63072), (10512, 60816), (11403, 56064), (11584, 55188), (12096, 52852), (12264, 52128), (13032, 49056), (13213, 48384), (13797, 46336), (14016, 45612), (15204, 42048), (15768, 40544), (16128, 39639), (16352, 39096), (17376, 36792), (18396, 34752), (18688, 34209), (19548, 32704), (20272, 31536), (21024, 30408), (22806, 28032), (23168, 27594), (24192, 26426), (24528, 26064)]