19916160

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:97

約数の個数: 256

約数和(自身を含む): 74027520

約数和(自身を除く): 54111360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 23, 24, 30, 32, 33, 40, 41, 44, 46, 48, 55, 60, 64, 66, 69, 80, 82, 88, 92, 96, 110, 115, 120, 123, 128, 132, 138, 160, 164, 165, 176, 184, 192, 205, 220, 230, 240, 246, 253, 264, 276, 320, 328, 330, 345, 352, 368, 384, 410, 440, 451, 460, 480, 492, 506, 528, 552, 615, 640, 656, 660, 690, 704, 736, 759, 820, 880, 902, 920, 943, 960, 984, 1012, 1056, 1104, 1230, 1265, 1312, 1320, 1353, 1380, 1408, 1472, 1518, 1640, 1760, 1804, 1840, 1886, 1920, 1968, 2024, 2112, 2208, 2255, 2460, 2530, 2624, 2640, 2706, 2760, 2829, 2944, 3036, 3280, 3520, 3608, 3680, 3772, 3795, 3936, 4048, 4224, 4416, 4510, 4715, 4920, 5060, 5248, 5280, 5412, 5520, 5658, 6072, 6560, 6765, 7040, 7216, 7360, 7544, 7590, 7872, 8096, 8832, 9020, 9430, 9840, 10120, 10373, 10560, 10824, 11040, 11316, 12144, 13120, 13530, 14145, 14432, 14720, 15088, 15180, 15744, 16192, 18040, 18860, 19680, 20240, 20746, 21120, 21648, 22080, 22632, 24288, 26240, 27060, 28290, 28864, 30176, 30360, 31119, 32384, 36080, 37720, 39360, 40480, 41492, 43296, 44160, 45264, 48576, 51865, 54120, 56580, 57728, 60352, 60720, 62238, 72160, 75440, 78720, 80960, 82984, 86592, 90528, 97152, 103730, 108240, 113160, 120704, 121440, 124476, 144320, 150880, 155595, 161920, 165968, 173184, 181056, 207460, 216480, 226320, 242880, 248952, 288640, 301760, 311190, 331936, 362112, 414920, 432960, 452640, 485760, 497904, 603520, 622380, 663872, 829840, 865920, 905280, 995808, 1244760, 1327744, 1659680, 1810560, 1991616, 2489520, 3319360, 3983232, 4979040, 6638720, 9958080, 19916160]

約数ペア:

[(1, 19916160), (2, 9958080), (3, 6638720), (4, 4979040), (5, 3983232), (6, 3319360), (8, 2489520), (10, 1991616), (11, 1810560), (12, 1659680), (15, 1327744), (16, 1244760), (20, 995808), (22, 905280), (23, 865920), (24, 829840), (30, 663872), (32, 622380), (33, 603520), (40, 497904), (41, 485760), (44, 452640), (46, 432960), (48, 414920), (55, 362112), (60, 331936), (64, 311190), (66, 301760), (69, 288640), (80, 248952), (82, 242880), (88, 226320), (92, 216480), (96, 207460), (110, 181056), (115, 173184), (120, 165968), (123, 161920), (128, 155595), (132, 150880), (138, 144320), (160, 124476), (164, 121440), (165, 120704), (176, 113160), (184, 108240), (192, 103730), (205, 97152), (220, 90528), (230, 86592), (240, 82984), (246, 80960), (253, 78720), (264, 75440), (276, 72160), (320, 62238), (328, 60720), (330, 60352), (345, 57728), (352, 56580), (368, 54120), (384, 51865), (410, 48576), (440, 45264), (451, 44160), (460, 43296), (480, 41492), (492, 40480), (506, 39360), (528, 37720), (552, 36080), (615, 32384), (640, 31119), (656, 30360), (660, 30176), (690, 28864), (704, 28290), (736, 27060), (759, 26240), (820, 24288), (880, 22632), (902, 22080), (920, 21648), (943, 21120), (960, 20746), (984, 20240), (1012, 19680), (1056, 18860), (1104, 18040), (1230, 16192), (1265, 15744), (1312, 15180), (1320, 15088), (1353, 14720), (1380, 14432), (1408, 14145), (1472, 13530), (1518, 13120), (1640, 12144), (1760, 11316), (1804, 11040), (1840, 10824), (1886, 10560), (1920, 10373), (1968, 10120), (2024, 9840), (2112, 9430), (2208, 9020), (2255, 8832), (2460, 8096), (2530, 7872), (2624, 7590), (2640, 7544), (2706, 7360), (2760, 7216), (2829, 7040), (2944, 6765), (3036, 6560), (3280, 6072), (3520, 5658), (3608, 5520), (3680, 5412), (3772, 5280), (3795, 5248), (3936, 5060), (4048, 4920), (4224, 4715), (4416, 4510)]