31354960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1$

素因数の和:165

約数の個数: 160

約数和(自身を含む): 92494080

約数和(自身を除く): 61139120

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 59, 65, 70, 73, 80, 91, 104, 112, 118, 130, 140, 146, 182, 208, 236, 260, 280, 292, 295, 364, 365, 413, 455, 472, 511, 520, 560, 584, 590, 728, 730, 767, 826, 910, 944, 949, 1022, 1040, 1168, 1180, 1456, 1460, 1534, 1652, 1820, 1898, 2044, 2065, 2360, 2555, 2920, 3068, 3304, 3640, 3796, 3835, 4088, 4130, 4307, 4720, 4745, 5110, 5369, 5840, 6136, 6608, 6643, 7280, 7592, 7670, 8176, 8260, 8614, 9490, 10220, 10738, 12272, 13286, 15184, 15340, 16520, 17228, 18980, 20440, 21476, 21535, 26572, 26845, 30149, 30680, 33040, 33215, 34456, 37960, 40880, 42952, 43070, 53144, 53690, 55991, 60298, 61360, 66430, 68912, 75920, 85904, 86140, 106288, 107380, 111982, 120596, 132860, 150745, 172280, 214760, 223964, 241192, 265720, 279955, 301490, 344560, 391937, 429520, 447928, 482384, 531440, 559910, 602980, 783874, 895856, 1119820, 1205960, 1567748, 1959685, 2239640, 2411920, 3135496, 3919370, 4479280, 6270992, 7838740, 15677480, 31354960]

約数ペア:

[(1, 31354960), (2, 15677480), (4, 7838740), (5, 6270992), (7, 4479280), (8, 3919370), (10, 3135496), (13, 2411920), (14, 2239640), (16, 1959685), (20, 1567748), (26, 1205960), (28, 1119820), (35, 895856), (40, 783874), (52, 602980), (56, 559910), (59, 531440), (65, 482384), (70, 447928), (73, 429520), (80, 391937), (91, 344560), (104, 301490), (112, 279955), (118, 265720), (130, 241192), (140, 223964), (146, 214760), (182, 172280), (208, 150745), (236, 132860), (260, 120596), (280, 111982), (292, 107380), (295, 106288), (364, 86140), (365, 85904), (413, 75920), (455, 68912), (472, 66430), (511, 61360), (520, 60298), (560, 55991), (584, 53690), (590, 53144), (728, 43070), (730, 42952), (767, 40880), (826, 37960), (910, 34456), (944, 33215), (949, 33040), (1022, 30680), (1040, 30149), (1168, 26845), (1180, 26572), (1456, 21535), (1460, 21476), (1534, 20440), (1652, 18980), (1820, 17228), (1898, 16520), (2044, 15340), (2065, 15184), (2360, 13286), (2555, 12272), (2920, 10738), (3068, 10220), (3304, 9490), (3640, 8614), (3796, 8260), (3835, 8176), (4088, 7670), (4130, 7592), (4307, 7280), (4720, 6643), (4745, 6608), (5110, 6136), (5369, 5840)]