127218816

素因数分解:

$2^7\times 3^3\times {\mathrm{131}}^1\times {\mathrm{281}}^1$

素因数の和:435

約数の個数: 128

約数和(自身を含む): 379684800

約数和(自身を除く): 252465984

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 96, 108, 128, 131, 144, 192, 216, 262, 281, 288, 384, 393, 432, 524, 562, 576, 786, 843, 864, 1048, 1124, 1152, 1179, 1572, 1686, 1728, 2096, 2248, 2358, 2529, 3144, 3372, 3456, 3537, 4192, 4496, 4716, 5058, 6288, 6744, 7074, 7587, 8384, 8992, 9432, 10116, 12576, 13488, 14148, 15174, 16768, 17984, 18864, 20232, 25152, 26976, 28296, 30348, 35968, 36811, 37728, 40464, 50304, 53952, 56592, 60696, 73622, 75456, 80928, 107904, 110433, 113184, 121392, 147244, 150912, 161856, 220866, 226368, 242784, 294488, 323712, 331299, 441732, 452736, 485568, 588976, 662598, 883464, 971136, 993897, 1177952, 1325196, 1766928, 1987794, 2355904, 2650392, 3533856, 3975588, 4711808, 5300784, 7067712, 7951176, 10601568, 14135424, 15902352, 21203136, 31804704, 42406272, 63609408, 127218816]

約数ペア:

[(1, 127218816), (2, 63609408), (3, 42406272), (4, 31804704), (6, 21203136), (8, 15902352), (9, 14135424), (12, 10601568), (16, 7951176), (18, 7067712), (24, 5300784), (27, 4711808), (32, 3975588), (36, 3533856), (48, 2650392), (54, 2355904), (64, 1987794), (72, 1766928), (96, 1325196), (108, 1177952), (128, 993897), (131, 971136), (144, 883464), (192, 662598), (216, 588976), (262, 485568), (281, 452736), (288, 441732), (384, 331299), (393, 323712), (432, 294488), (524, 242784), (562, 226368), (576, 220866), (786, 161856), (843, 150912), (864, 147244), (1048, 121392), (1124, 113184), (1152, 110433), (1179, 107904), (1572, 80928), (1686, 75456), (1728, 73622), (2096, 60696), (2248, 56592), (2358, 53952), (2529, 50304), (3144, 40464), (3372, 37728), (3456, 36811), (3537, 35968), (4192, 30348), (4496, 28296), (4716, 26976), (5058, 25152), (6288, 20232), (6744, 18864), (7074, 17984), (7587, 16768), (8384, 15174), (8992, 14148), (9432, 13488), (10116, 12576)]