81024160

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{991}}^1$

素因数の和:1086

約数の個数: 96

約数和(自身を含む): 221985792

約数和(自身を除く): 140961632

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 73, 80, 112, 140, 146, 160, 224, 280, 292, 365, 511, 560, 584, 730, 991, 1022, 1120, 1168, 1460, 1982, 2044, 2336, 2555, 2920, 3964, 4088, 4955, 5110, 5840, 6937, 7928, 8176, 9910, 10220, 11680, 13874, 15856, 16352, 19820, 20440, 27748, 31712, 34685, 39640, 40880, 55496, 69370, 72343, 79280, 81760, 110992, 138740, 144686, 158560, 221984, 277480, 289372, 361715, 506401, 554960, 578744, 723430, 1012802, 1109920, 1157488, 1446860, 2025604, 2314976, 2532005, 2893720, 4051208, 5064010, 5787440, 8102416, 10128020, 11574880, 16204832, 20256040, 40512080, 81024160]

約数ペア:

[(1, 81024160), (2, 40512080), (4, 20256040), (5, 16204832), (7, 11574880), (8, 10128020), (10, 8102416), (14, 5787440), (16, 5064010), (20, 4051208), (28, 2893720), (32, 2532005), (35, 2314976), (40, 2025604), (56, 1446860), (70, 1157488), (73, 1109920), (80, 1012802), (112, 723430), (140, 578744), (146, 554960), (160, 506401), (224, 361715), (280, 289372), (292, 277480), (365, 221984), (511, 158560), (560, 144686), (584, 138740), (730, 110992), (991, 81760), (1022, 79280), (1120, 72343), (1168, 69370), (1460, 55496), (1982, 40880), (2044, 39640), (2336, 34685), (2555, 31712), (2920, 27748), (3964, 20440), (4088, 19820), (4955, 16352), (5110, 15856), (5840, 13874), (6937, 11680), (7928, 10220), (8176, 9910)]