31123872

素因数分解:

$2^5\times 3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1$

素因数の和:212

約数の個数: 192

約数和(自身を含む): 104146560

約数和(自身を除く): 73022688

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 17, 18, 24, 26, 27, 32, 34, 36, 39, 48, 51, 52, 54, 68, 72, 78, 96, 102, 104, 108, 117, 136, 144, 153, 156, 163, 204, 208, 216, 221, 234, 272, 288, 306, 312, 326, 351, 408, 416, 432, 442, 459, 468, 489, 544, 612, 624, 652, 663, 702, 816, 864, 884, 918, 936, 978, 1224, 1248, 1304, 1326, 1404, 1467, 1632, 1768, 1836, 1872, 1956, 1989, 2119, 2448, 2608, 2652, 2771, 2808, 2934, 3536, 3672, 3744, 3912, 3978, 4238, 4401, 4896, 5216, 5304, 5542, 5616, 5868, 5967, 6357, 7072, 7344, 7824, 7956, 8313, 8476, 8802, 10608, 11084, 11232, 11736, 11934, 12714, 14688, 15648, 15912, 16626, 16952, 17604, 19071, 21216, 22168, 23472, 23868, 24939, 25428, 31824, 33252, 33904, 35208, 36023, 38142, 44336, 46944, 47736, 49878, 50856, 57213, 63648, 66504, 67808, 70416, 72046, 74817, 76284, 88672, 95472, 99756, 101712, 108069, 114426, 133008, 140832, 144092, 149634, 152568, 190944, 199512, 203424, 216138, 228852, 266016, 288184, 299268, 305136, 324207, 399024, 432276, 457704, 576368, 598536, 610272, 648414, 798048, 864552, 915408, 972621, 1152736, 1197072, 1296828, 1729104, 1830816, 1945242, 2394144, 2593656, 3458208, 3890484, 5187312, 7780968, 10374624, 15561936, 31123872]

約数ペア:

[(1, 31123872), (2, 15561936), (3, 10374624), (4, 7780968), (6, 5187312), (8, 3890484), (9, 3458208), (12, 2593656), (13, 2394144), (16, 1945242), (17, 1830816), (18, 1729104), (24, 1296828), (26, 1197072), (27, 1152736), (32, 972621), (34, 915408), (36, 864552), (39, 798048), (48, 648414), (51, 610272), (52, 598536), (54, 576368), (68, 457704), (72, 432276), (78, 399024), (96, 324207), (102, 305136), (104, 299268), (108, 288184), (117, 266016), (136, 228852), (144, 216138), (153, 203424), (156, 199512), (163, 190944), (204, 152568), (208, 149634), (216, 144092), (221, 140832), (234, 133008), (272, 114426), (288, 108069), (306, 101712), (312, 99756), (326, 95472), (351, 88672), (408, 76284), (416, 74817), (432, 72046), (442, 70416), (459, 67808), (468, 66504), (489, 63648), (544, 57213), (612, 50856), (624, 49878), (652, 47736), (663, 46944), (702, 44336), (816, 38142), (864, 36023), (884, 35208), (918, 33904), (936, 33252), (978, 31824), (1224, 25428), (1248, 24939), (1304, 23868), (1326, 23472), (1404, 22168), (1467, 21216), (1632, 19071), (1768, 17604), (1836, 16952), (1872, 16626), (1956, 15912), (1989, 15648), (2119, 14688), (2448, 12714), (2608, 11934), (2652, 11736), (2771, 11232), (2808, 11084), (2934, 10608), (3536, 8802), (3672, 8476), (3744, 8313), (3912, 7956), (3978, 7824), (4238, 7344), (4401, 7072), (4896, 6357), (5216, 5967), (5304, 5868), (5542, 5616)]