15870816

素因数分解:

$2^5\times 3^5\times {\mathrm{13}}^1\times {\mathrm{157}}^1$

素因数の和:195

約数の個数: 144

約数和(自身を含む): 50725584

約数和(自身を除く): 34854768

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 72, 78, 81, 96, 104, 108, 117, 144, 156, 157, 162, 208, 216, 234, 243, 288, 312, 314, 324, 351, 416, 432, 468, 471, 486, 624, 628, 648, 702, 864, 936, 942, 972, 1053, 1248, 1256, 1296, 1404, 1413, 1872, 1884, 1944, 2041, 2106, 2512, 2592, 2808, 2826, 3159, 3744, 3768, 3888, 4082, 4212, 4239, 5024, 5616, 5652, 6123, 6318, 7536, 7776, 8164, 8424, 8478, 11232, 11304, 12246, 12636, 12717, 15072, 16328, 16848, 16956, 18369, 22608, 24492, 25272, 25434, 32656, 33696, 33912, 36738, 38151, 45216, 48984, 50544, 50868, 55107, 65312, 67824, 73476, 76302, 97968, 101088, 101736, 110214, 135648, 146952, 152604, 165321, 195936, 203472, 220428, 293904, 305208, 330642, 406944, 440856, 495963, 587808, 610416, 661284, 881712, 991926, 1220832, 1322568, 1763424, 1983852, 2645136, 3967704, 5290272, 7935408, 15870816]

約数ペア:

[(1, 15870816), (2, 7935408), (3, 5290272), (4, 3967704), (6, 2645136), (8, 1983852), (9, 1763424), (12, 1322568), (13, 1220832), (16, 991926), (18, 881712), (24, 661284), (26, 610416), (27, 587808), (32, 495963), (36, 440856), (39, 406944), (48, 330642), (52, 305208), (54, 293904), (72, 220428), (78, 203472), (81, 195936), (96, 165321), (104, 152604), (108, 146952), (117, 135648), (144, 110214), (156, 101736), (157, 101088), (162, 97968), (208, 76302), (216, 73476), (234, 67824), (243, 65312), (288, 55107), (312, 50868), (314, 50544), (324, 48984), (351, 45216), (416, 38151), (432, 36738), (468, 33912), (471, 33696), (486, 32656), (624, 25434), (628, 25272), (648, 24492), (702, 22608), (864, 18369), (936, 16956), (942, 16848), (972, 16328), (1053, 15072), (1248, 12717), (1256, 12636), (1296, 12246), (1404, 11304), (1413, 11232), (1872, 8478), (1884, 8424), (1944, 8164), (2041, 7776), (2106, 7536), (2512, 6318), (2592, 6123), (2808, 5652), (2826, 5616), (3159, 5024), (3744, 4239), (3768, 4212), (3888, 4082)]