1720974080

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1193}}^1$

素因数の和:1251

約数の個数: 216

約数和(自身を含む): 5007979872

約数和(自身を除く): 3287005792

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 49, 56, 64, 70, 80, 92, 98, 112, 115, 128, 140, 160, 161, 184, 196, 224, 230, 245, 256, 280, 320, 322, 368, 392, 448, 460, 490, 560, 640, 644, 736, 784, 805, 896, 920, 980, 1120, 1127, 1193, 1280, 1288, 1472, 1568, 1610, 1792, 1840, 1960, 2240, 2254, 2386, 2576, 2944, 3136, 3220, 3680, 3920, 4480, 4508, 4772, 5152, 5635, 5888, 5965, 6272, 6440, 7360, 7840, 8351, 8960, 9016, 9544, 10304, 11270, 11930, 12544, 12880, 14720, 15680, 16702, 18032, 19088, 20608, 22540, 23860, 25760, 27439, 29440, 31360, 33404, 36064, 38176, 41216, 41755, 45080, 47720, 51520, 54878, 58457, 62720, 66808, 72128, 76352, 83510, 90160, 95440, 103040, 109756, 116914, 133616, 137195, 144256, 152704, 167020, 180320, 190880, 192073, 206080, 219512, 233828, 267232, 274390, 288512, 292285, 305408, 334040, 360640, 381760, 384146, 439024, 467656, 534464, 548780, 584570, 668080, 721280, 763520, 768292, 878048, 935312, 960365, 1068928, 1097560, 1169140, 1336160, 1344511, 1442560, 1527040, 1536584, 1756096, 1870624, 1920730, 2137856, 2195120, 2338280, 2672320, 2689022, 3073168, 3512192, 3741248, 3841460, 4390240, 4676560, 5344640, 5378044, 6146336, 6722555, 7024384, 7482496, 7682920, 8780480, 9353120, 10689280, 10756088, 12292672, 13445110, 14964992, 15365840, 17560960, 18706240, 21512176, 24585344, 26890220, 30731680, 35121920, 37412480, 43024352, 49170688, 53780440, 61463360, 74824960, 86048704, 107560880, 122926720, 172097408, 215121760, 245853440, 344194816, 430243520, 860487040, 1720974080]

約数ペア:

[(1, 1720974080), (2, 860487040), (4, 430243520), (5, 344194816), (7, 245853440), (8, 215121760), (10, 172097408), (14, 122926720), (16, 107560880), (20, 86048704), (23, 74824960), (28, 61463360), (32, 53780440), (35, 49170688), (40, 43024352), (46, 37412480), (49, 35121920), (56, 30731680), (64, 26890220), (70, 24585344), (80, 21512176), (92, 18706240), (98, 17560960), (112, 15365840), (115, 14964992), (128, 13445110), (140, 12292672), (160, 10756088), (161, 10689280), (184, 9353120), (196, 8780480), (224, 7682920), (230, 7482496), (245, 7024384), (256, 6722555), (280, 6146336), (320, 5378044), (322, 5344640), (368, 4676560), (392, 4390240), (448, 3841460), (460, 3741248), (490, 3512192), (560, 3073168), (640, 2689022), (644, 2672320), (736, 2338280), (784, 2195120), (805, 2137856), (896, 1920730), (920, 1870624), (980, 1756096), (1120, 1536584), (1127, 1527040), (1193, 1442560), (1280, 1344511), (1288, 1336160), (1472, 1169140), (1568, 1097560), (1610, 1068928), (1792, 960365), (1840, 935312), (1960, 878048), (2240, 768292), (2254, 763520), (2386, 721280), (2576, 668080), (2944, 584570), (3136, 548780), (3220, 534464), (3680, 467656), (3920, 439024), (4480, 384146), (4508, 381760), (4772, 360640), (5152, 334040), (5635, 305408), (5888, 292285), (5965, 288512), (6272, 274390), (6440, 267232), (7360, 233828), (7840, 219512), (8351, 206080), (8960, 192073), (9016, 190880), (9544, 180320), (10304, 167020), (11270, 152704), (11930, 144256), (12544, 137195), (12880, 133616), (14720, 116914), (15680, 109756), (16702, 103040), (18032, 95440), (19088, 90160), (20608, 83510), (22540, 76352), (23860, 72128), (25760, 66808), (27439, 62720), (29440, 58457), (31360, 54878), (33404, 51520), (36064, 47720), (38176, 45080), (41216, 41755)]