81477120

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{103}}^2$

素因数の和:232

約数の個数: 120

約数和(自身を含む): 263025576

約数和(自身を除く): 181548456

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 103, 120, 128, 160, 192, 206, 240, 256, 309, 320, 384, 412, 480, 512, 515, 618, 640, 768, 824, 960, 1030, 1236, 1280, 1536, 1545, 1648, 1920, 2060, 2472, 2560, 3090, 3296, 3840, 4120, 4944, 6180, 6592, 7680, 8240, 9888, 10609, 12360, 13184, 16480, 19776, 21218, 24720, 26368, 31827, 32960, 39552, 42436, 49440, 52736, 53045, 63654, 65920, 79104, 84872, 98880, 106090, 127308, 131840, 158208, 159135, 169744, 197760, 212180, 254616, 263680, 318270, 339488, 395520, 424360, 509232, 636540, 678976, 791040, 848720, 1018464, 1273080, 1357952, 1697440, 2036928, 2546160, 2715904, 3394880, 4073856, 5092320, 5431808, 6789760, 8147712, 10184640, 13579520, 16295424, 20369280, 27159040, 40738560, 81477120]

約数ペア:

[(1, 81477120), (2, 40738560), (3, 27159040), (4, 20369280), (5, 16295424), (6, 13579520), (8, 10184640), (10, 8147712), (12, 6789760), (15, 5431808), (16, 5092320), (20, 4073856), (24, 3394880), (30, 2715904), (32, 2546160), (40, 2036928), (48, 1697440), (60, 1357952), (64, 1273080), (80, 1018464), (96, 848720), (103, 791040), (120, 678976), (128, 636540), (160, 509232), (192, 424360), (206, 395520), (240, 339488), (256, 318270), (309, 263680), (320, 254616), (384, 212180), (412, 197760), (480, 169744), (512, 159135), (515, 158208), (618, 131840), (640, 127308), (768, 106090), (824, 98880), (960, 84872), (1030, 79104), (1236, 65920), (1280, 63654), (1536, 53045), (1545, 52736), (1648, 49440), (1920, 42436), (2060, 39552), (2472, 32960), (2560, 31827), (3090, 26368), (3296, 24720), (3840, 21218), (4120, 19776), (4944, 16480), (6180, 13184), (6592, 12360), (7680, 10609), (8240, 9888)]