16920717440

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{12853}}^1$

素因数の和:12911

約数の個数: 192

約数和(自身を含む): 47081888280

約数和(自身を除く): 30161170840

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 64, 68, 80, 85, 88, 110, 121, 128, 136, 160, 170, 176, 187, 220, 242, 272, 320, 340, 352, 374, 440, 484, 544, 605, 640, 680, 704, 748, 880, 935, 968, 1088, 1210, 1360, 1408, 1496, 1760, 1870, 1936, 2057, 2176, 2420, 2720, 2992, 3520, 3740, 3872, 4114, 4840, 5440, 5984, 7040, 7480, 7744, 8228, 9680, 10285, 10880, 11968, 12853, 14960, 15488, 16456, 19360, 20570, 23936, 25706, 29920, 32912, 38720, 41140, 51412, 59840, 64265, 65824, 77440, 82280, 102824, 119680, 128530, 131648, 141383, 164560, 205648, 218501, 257060, 263296, 282766, 329120, 411296, 437002, 514120, 565532, 658240, 706915, 822592, 874004, 1028240, 1092505, 1131064, 1316480, 1413830, 1555213, 1645184, 1748008, 2056480, 2185010, 2262128, 2403511, 2827660, 3110426, 3496016, 4112960, 4370020, 4524256, 4807022, 5655320, 6220852, 6992032, 7776065, 8225920, 8740040, 9048512, 9614044, 11310640, 12017555, 12441704, 13984064, 15552130, 17480080, 18097024, 19228088, 22621280, 24035110, 24883408, 26438621, 27968128, 31104260, 34960160, 38456176, 45242560, 48070220, 49766816, 52877242, 62208520, 69920320, 76912352, 90485120, 96140440, 99533632, 105754484, 124417040, 132193105, 139840640, 153824704, 192280880, 199067264, 211508968, 248834080, 264386210, 307649408, 384561760, 423017936, 497668160, 528772420, 769123520, 846035872, 995336320, 1057544840, 1538247040, 1692071744, 2115089680, 3384143488, 4230179360, 8460358720, 16920717440]

約数ペア:

[(1, 16920717440), (2, 8460358720), (4, 4230179360), (5, 3384143488), (8, 2115089680), (10, 1692071744), (11, 1538247040), (16, 1057544840), (17, 995336320), (20, 846035872), (22, 769123520), (32, 528772420), (34, 497668160), (40, 423017936), (44, 384561760), (55, 307649408), (64, 264386210), (68, 248834080), (80, 211508968), (85, 199067264), (88, 192280880), (110, 153824704), (121, 139840640), (128, 132193105), (136, 124417040), (160, 105754484), (170, 99533632), (176, 96140440), (187, 90485120), (220, 76912352), (242, 69920320), (272, 62208520), (320, 52877242), (340, 49766816), (352, 48070220), (374, 45242560), (440, 38456176), (484, 34960160), (544, 31104260), (605, 27968128), (640, 26438621), (680, 24883408), (704, 24035110), (748, 22621280), (880, 19228088), (935, 18097024), (968, 17480080), (1088, 15552130), (1210, 13984064), (1360, 12441704), (1408, 12017555), (1496, 11310640), (1760, 9614044), (1870, 9048512), (1936, 8740040), (2057, 8225920), (2176, 7776065), (2420, 6992032), (2720, 6220852), (2992, 5655320), (3520, 4807022), (3740, 4524256), (3872, 4370020), (4114, 4112960), (4840, 3496016), (5440, 3110426), (5984, 2827660), (7040, 2403511), (7480, 2262128), (7744, 2185010), (8228, 2056480), (9680, 1748008), (10285, 1645184), (10880, 1555213), (11968, 1413830), (12853, 1316480), (14960, 1131064), (15488, 1092505), (16456, 1028240), (19360, 874004), (20570, 822592), (23936, 706915), (25706, 658240), (29920, 565532), (32912, 514120), (38720, 437002), (41140, 411296), (51412, 329120), (59840, 282766), (64265, 263296), (65824, 257060), (77440, 218501), (82280, 205648), (102824, 164560), (119680, 141383), (128530, 131648)]