401065728

素因数分解:

$2^8\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1223}}^1$

素因数の和:1310

約数の個数: 144

約数和(自身を含む): 1240920576

約数和(自身を除く): 839854848

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 61, 64, 84, 96, 112, 122, 128, 168, 183, 192, 224, 244, 256, 336, 366, 384, 427, 448, 488, 672, 732, 768, 854, 896, 976, 1223, 1281, 1344, 1464, 1708, 1792, 1952, 2446, 2562, 2688, 2928, 3416, 3669, 3904, 4892, 5124, 5376, 5856, 6832, 7338, 7808, 8561, 9784, 10248, 11712, 13664, 14676, 15616, 17122, 19568, 20496, 23424, 25683, 27328, 29352, 34244, 39136, 40992, 46848, 51366, 54656, 58704, 68488, 74603, 78272, 81984, 102732, 109312, 117408, 136976, 149206, 156544, 163968, 205464, 223809, 234816, 273952, 298412, 313088, 327936, 410928, 447618, 469632, 522221, 547904, 596824, 821856, 895236, 939264, 1044442, 1095808, 1193648, 1566663, 1643712, 1790472, 2088884, 2191616, 2387296, 3133326, 3287424, 3580944, 4177768, 4774592, 6266652, 6574848, 7161888, 8355536, 9549184, 12533304, 14323776, 16711072, 19098368, 25066608, 28647552, 33422144, 50133216, 57295104, 66844288, 100266432, 133688576, 200532864, 401065728]

約数ペア:

[(1, 401065728), (2, 200532864), (3, 133688576), (4, 100266432), (6, 66844288), (7, 57295104), (8, 50133216), (12, 33422144), (14, 28647552), (16, 25066608), (21, 19098368), (24, 16711072), (28, 14323776), (32, 12533304), (42, 9549184), (48, 8355536), (56, 7161888), (61, 6574848), (64, 6266652), (84, 4774592), (96, 4177768), (112, 3580944), (122, 3287424), (128, 3133326), (168, 2387296), (183, 2191616), (192, 2088884), (224, 1790472), (244, 1643712), (256, 1566663), (336, 1193648), (366, 1095808), (384, 1044442), (427, 939264), (448, 895236), (488, 821856), (672, 596824), (732, 547904), (768, 522221), (854, 469632), (896, 447618), (976, 410928), (1223, 327936), (1281, 313088), (1344, 298412), (1464, 273952), (1708, 234816), (1792, 223809), (1952, 205464), (2446, 163968), (2562, 156544), (2688, 149206), (2928, 136976), (3416, 117408), (3669, 109312), (3904, 102732), (4892, 81984), (5124, 78272), (5376, 74603), (5856, 68488), (6832, 58704), (7338, 54656), (7808, 51366), (8561, 46848), (9784, 40992), (10248, 39136), (11712, 34244), (13664, 29352), (14676, 27328), (15616, 25683), (17122, 23424), (19568, 20496)]