18677120

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{379}}^1$

素因数の和:416

約数の個数: 128

約数和(自身を含む): 55814400

約数和(自身を除く): 37137280

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, 280, 308, 320, 352, 379, 385, 440, 448, 560, 616, 640, 704, 758, 770, 880, 896, 1120, 1232, 1408, 1516, 1540, 1760, 1895, 2240, 2464, 2653, 3032, 3080, 3520, 3790, 4169, 4480, 4928, 5306, 6064, 6160, 7040, 7580, 8338, 9856, 10612, 12128, 12320, 13265, 15160, 16676, 20845, 21224, 24256, 24640, 26530, 29183, 30320, 33352, 41690, 42448, 48512, 49280, 53060, 58366, 60640, 66704, 83380, 84896, 106120, 116732, 121280, 133408, 145915, 166760, 169792, 212240, 233464, 242560, 266816, 291830, 333520, 339584, 424480, 466928, 533632, 583660, 667040, 848960, 933856, 1167320, 1334080, 1697920, 1867712, 2334640, 2668160, 3735424, 4669280, 9338560, 18677120]

約数ペア:

[(1, 18677120), (2, 9338560), (4, 4669280), (5, 3735424), (7, 2668160), (8, 2334640), (10, 1867712), (11, 1697920), (14, 1334080), (16, 1167320), (20, 933856), (22, 848960), (28, 667040), (32, 583660), (35, 533632), (40, 466928), (44, 424480), (55, 339584), (56, 333520), (64, 291830), (70, 266816), (77, 242560), (80, 233464), (88, 212240), (110, 169792), (112, 166760), (128, 145915), (140, 133408), (154, 121280), (160, 116732), (176, 106120), (220, 84896), (224, 83380), (280, 66704), (308, 60640), (320, 58366), (352, 53060), (379, 49280), (385, 48512), (440, 42448), (448, 41690), (560, 33352), (616, 30320), (640, 29183), (704, 26530), (758, 24640), (770, 24256), (880, 21224), (896, 20845), (1120, 16676), (1232, 15160), (1408, 13265), (1516, 12320), (1540, 12128), (1760, 10612), (1895, 9856), (2240, 8338), (2464, 7580), (2653, 7040), (3032, 6160), (3080, 6064), (3520, 5306), (3790, 4928), (4169, 4480)]