638502048

素因数分解:

$2^5\times 3^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1499}}^1$

素因数の和:1564

約数の個数: 192

約数和(自身を含む): 2041200000

約数和(自身を除く): 1402697952

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 27, 29, 32, 34, 36, 48, 51, 54, 58, 68, 72, 87, 96, 102, 108, 116, 136, 144, 153, 174, 204, 216, 232, 261, 272, 288, 306, 348, 408, 432, 459, 464, 493, 522, 544, 612, 696, 783, 816, 864, 918, 928, 986, 1044, 1224, 1392, 1479, 1499, 1566, 1632, 1836, 1972, 2088, 2448, 2784, 2958, 2998, 3132, 3672, 3944, 4176, 4437, 4497, 4896, 5916, 5996, 6264, 7344, 7888, 8352, 8874, 8994, 11832, 11992, 12528, 13311, 13491, 14688, 15776, 17748, 17988, 23664, 23984, 25056, 25483, 26622, 26982, 35496, 35976, 40473, 43471, 47328, 47968, 50966, 53244, 53964, 70992, 71952, 76449, 80946, 86942, 101932, 106488, 107928, 130413, 141984, 143904, 152898, 161892, 173884, 203864, 212976, 215856, 229347, 260826, 305796, 323784, 347768, 391239, 407728, 425952, 431712, 458694, 521652, 611592, 647568, 688041, 695536, 739007, 782478, 815456, 917388, 1043304, 1173717, 1223184, 1295136, 1376082, 1391072, 1478014, 1564956, 1834776, 2086608, 2217021, 2347434, 2446368, 2752164, 2956028, 3129912, 3669552, 4173216, 4434042, 4694868, 5504328, 5912056, 6259824, 6651063, 7339104, 8868084, 9389736, 11008656, 11824112, 12519648, 13302126, 17736168, 18779472, 19953189, 22017312, 23648224, 26604252, 35472336, 37558944, 39906378, 53208504, 70944672, 79812756, 106417008, 159625512, 212834016, 319251024, 638502048]

約数ペア:

[(1, 638502048), (2, 319251024), (3, 212834016), (4, 159625512), (6, 106417008), (8, 79812756), (9, 70944672), (12, 53208504), (16, 39906378), (17, 37558944), (18, 35472336), (24, 26604252), (27, 23648224), (29, 22017312), (32, 19953189), (34, 18779472), (36, 17736168), (48, 13302126), (51, 12519648), (54, 11824112), (58, 11008656), (68, 9389736), (72, 8868084), (87, 7339104), (96, 6651063), (102, 6259824), (108, 5912056), (116, 5504328), (136, 4694868), (144, 4434042), (153, 4173216), (174, 3669552), (204, 3129912), (216, 2956028), (232, 2752164), (261, 2446368), (272, 2347434), (288, 2217021), (306, 2086608), (348, 1834776), (408, 1564956), (432, 1478014), (459, 1391072), (464, 1376082), (493, 1295136), (522, 1223184), (544, 1173717), (612, 1043304), (696, 917388), (783, 815456), (816, 782478), (864, 739007), (918, 695536), (928, 688041), (986, 647568), (1044, 611592), (1224, 521652), (1392, 458694), (1479, 431712), (1499, 425952), (1566, 407728), (1632, 391239), (1836, 347768), (1972, 323784), (2088, 305796), (2448, 260826), (2784, 229347), (2958, 215856), (2998, 212976), (3132, 203864), (3672, 173884), (3944, 161892), (4176, 152898), (4437, 143904), (4497, 141984), (4896, 130413), (5916, 107928), (5996, 106488), (6264, 101932), (7344, 86942), (7888, 80946), (8352, 76449), (8874, 71952), (8994, 70992), (11832, 53964), (11992, 53244), (12528, 50966), (13311, 47968), (13491, 47328), (14688, 43471), (15776, 40473), (17748, 35976), (17988, 35496), (23664, 26982), (23984, 26622), (25056, 25483)]