127536640

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{647}}^1$

素因数の和:688

約数の個数: 160

約数和(自身を含む): 381832704

約数和(自身を除く): 254296064

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 128, 140, 154, 160, 176, 220, 224, 256, 280, 308, 320, 352, 385, 440, 448, 512, 560, 616, 640, 647, 704, 770, 880, 896, 1120, 1232, 1280, 1294, 1408, 1540, 1760, 1792, 2240, 2464, 2560, 2588, 2816, 3080, 3235, 3520, 3584, 4480, 4529, 4928, 5176, 5632, 6160, 6470, 7040, 7117, 8960, 9058, 9856, 10352, 12320, 12940, 14080, 14234, 17920, 18116, 19712, 20704, 22645, 24640, 25880, 28160, 28468, 35585, 36232, 39424, 41408, 45290, 49280, 49819, 51760, 56936, 71170, 72464, 82816, 90580, 98560, 99638, 103520, 113872, 142340, 144928, 165632, 181160, 197120, 199276, 207040, 227744, 249095, 284680, 289856, 331264, 362320, 398552, 414080, 455488, 498190, 569360, 579712, 724640, 797104, 828160, 910976, 996380, 1138720, 1159424, 1449280, 1594208, 1656320, 1821952, 1992760, 2277440, 2318848, 2898560, 3188416, 3643904, 3985520, 4554880, 5797120, 6376832, 7971040, 9109760, 11594240, 12753664, 15942080, 18219520, 25507328, 31884160, 63768320, 127536640]

約数ペア:

[(1, 127536640), (2, 63768320), (4, 31884160), (5, 25507328), (7, 18219520), (8, 15942080), (10, 12753664), (11, 11594240), (14, 9109760), (16, 7971040), (20, 6376832), (22, 5797120), (28, 4554880), (32, 3985520), (35, 3643904), (40, 3188416), (44, 2898560), (55, 2318848), (56, 2277440), (64, 1992760), (70, 1821952), (77, 1656320), (80, 1594208), (88, 1449280), (110, 1159424), (112, 1138720), (128, 996380), (140, 910976), (154, 828160), (160, 797104), (176, 724640), (220, 579712), (224, 569360), (256, 498190), (280, 455488), (308, 414080), (320, 398552), (352, 362320), (385, 331264), (440, 289856), (448, 284680), (512, 249095), (560, 227744), (616, 207040), (640, 199276), (647, 197120), (704, 181160), (770, 165632), (880, 144928), (896, 142340), (1120, 113872), (1232, 103520), (1280, 99638), (1294, 98560), (1408, 90580), (1540, 82816), (1760, 72464), (1792, 71170), (2240, 56936), (2464, 51760), (2560, 49819), (2588, 49280), (2816, 45290), (3080, 41408), (3235, 39424), (3520, 36232), (3584, 35585), (4480, 28468), (4529, 28160), (4928, 25880), (5176, 24640), (5632, 22645), (6160, 20704), (6470, 19712), (7040, 18116), (7117, 17920), (8960, 14234), (9058, 14080), (9856, 12940), (10352, 12320)]