30121728

素因数分解:

$2^8\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1$

素因数の和:470

約数の個数: 144

約数和(自身を含む): 98896896

約数和(自身を除く): 68775168

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 32, 39, 42, 48, 52, 56, 64, 78, 84, 91, 96, 104, 112, 128, 156, 168, 182, 192, 208, 224, 256, 273, 312, 336, 364, 384, 416, 431, 448, 546, 624, 672, 728, 768, 832, 862, 896, 1092, 1248, 1293, 1344, 1456, 1664, 1724, 1792, 2184, 2496, 2586, 2688, 2912, 3017, 3328, 3448, 4368, 4992, 5172, 5376, 5603, 5824, 6034, 6896, 8736, 9051, 9984, 10344, 11206, 11648, 12068, 13792, 16809, 17472, 18102, 20688, 22412, 23296, 24136, 27584, 33618, 34944, 36204, 39221, 41376, 44824, 48272, 55168, 67236, 69888, 72408, 78442, 82752, 89648, 96544, 110336, 117663, 134472, 144816, 156884, 165504, 179296, 193088, 235326, 268944, 289632, 313768, 331008, 358592, 386176, 470652, 537888, 579264, 627536, 717184, 772352, 941304, 1075776, 1158528, 1255072, 1434368, 1882608, 2151552, 2317056, 2510144, 3765216, 4303104, 5020288, 7530432, 10040576, 15060864, 30121728]

約数ペア:

[(1, 30121728), (2, 15060864), (3, 10040576), (4, 7530432), (6, 5020288), (7, 4303104), (8, 3765216), (12, 2510144), (13, 2317056), (14, 2151552), (16, 1882608), (21, 1434368), (24, 1255072), (26, 1158528), (28, 1075776), (32, 941304), (39, 772352), (42, 717184), (48, 627536), (52, 579264), (56, 537888), (64, 470652), (78, 386176), (84, 358592), (91, 331008), (96, 313768), (104, 289632), (112, 268944), (128, 235326), (156, 193088), (168, 179296), (182, 165504), (192, 156884), (208, 144816), (224, 134472), (256, 117663), (273, 110336), (312, 96544), (336, 89648), (364, 82752), (384, 78442), (416, 72408), (431, 69888), (448, 67236), (546, 55168), (624, 48272), (672, 44824), (728, 41376), (768, 39221), (832, 36204), (862, 34944), (896, 33618), (1092, 27584), (1248, 24136), (1293, 23296), (1344, 22412), (1456, 20688), (1664, 18102), (1724, 17472), (1792, 16809), (2184, 13792), (2496, 12068), (2586, 11648), (2688, 11206), (2912, 10344), (3017, 9984), (3328, 9051), (3448, 8736), (4368, 6896), (4992, 6034), (5172, 5824), (5376, 5603)]