31246080

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:206

約数の個数: 144

約数和(自身を含む): 102036480

約数和(自身を除く): 70790400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 79, 80, 96, 103, 120, 128, 158, 160, 192, 206, 237, 240, 256, 309, 316, 320, 384, 395, 412, 474, 480, 515, 618, 632, 640, 768, 790, 824, 948, 960, 1030, 1185, 1236, 1264, 1280, 1545, 1580, 1648, 1896, 1920, 2060, 2370, 2472, 2528, 3090, 3160, 3296, 3792, 3840, 4120, 4740, 4944, 5056, 6180, 6320, 6592, 7584, 8137, 8240, 9480, 9888, 10112, 12360, 12640, 13184, 15168, 16274, 16480, 18960, 19776, 20224, 24411, 24720, 25280, 26368, 30336, 32548, 32960, 37920, 39552, 40685, 48822, 49440, 50560, 60672, 65096, 65920, 75840, 79104, 81370, 97644, 98880, 101120, 122055, 130192, 131840, 151680, 162740, 195288, 197760, 244110, 260384, 303360, 325480, 390576, 395520, 488220, 520768, 650960, 781152, 976440, 1041536, 1301920, 1562304, 1952880, 2083072, 2603840, 3124608, 3905760, 5207680, 6249216, 7811520, 10415360, 15623040, 31246080]

約数ペア:

[(1, 31246080), (2, 15623040), (3, 10415360), (4, 7811520), (5, 6249216), (6, 5207680), (8, 3905760), (10, 3124608), (12, 2603840), (15, 2083072), (16, 1952880), (20, 1562304), (24, 1301920), (30, 1041536), (32, 976440), (40, 781152), (48, 650960), (60, 520768), (64, 488220), (79, 395520), (80, 390576), (96, 325480), (103, 303360), (120, 260384), (128, 244110), (158, 197760), (160, 195288), (192, 162740), (206, 151680), (237, 131840), (240, 130192), (256, 122055), (309, 101120), (316, 98880), (320, 97644), (384, 81370), (395, 79104), (412, 75840), (474, 65920), (480, 65096), (515, 60672), (618, 50560), (632, 49440), (640, 48822), (768, 40685), (790, 39552), (824, 37920), (948, 32960), (960, 32548), (1030, 30336), (1185, 26368), (1236, 25280), (1264, 24720), (1280, 24411), (1545, 20224), (1580, 19776), (1648, 18960), (1896, 16480), (1920, 16274), (2060, 15168), (2370, 13184), (2472, 12640), (2528, 12360), (3090, 10112), (3160, 9888), (3296, 9480), (3792, 8240), (3840, 8137), (4120, 7584), (4740, 6592), (4944, 6320), (5056, 6180)]