77418880

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1571}}^1$

素因数の和:1608

約数の個数: 128

約数和(自身を含む): 230895360

約数和(自身を除く): 153476480

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, 385, 440, 448, 560, 616, 640, 704, 770, 880, 896, 1120, 1232, 1408, 1540, 1571, 1760, 2240, 2464, 3080, 3142, 3520, 4480, 4928, 6160, 6284, 7040, 7855, 9856, 10997, 12320, 12568, 15710, 17281, 21994, 24640, 25136, 31420, 34562, 43988, 49280, 50272, 54985, 62840, 69124, 86405, 87976, 100544, 109970, 120967, 125680, 138248, 172810, 175952, 201088, 219940, 241934, 251360, 276496, 345620, 351904, 439880, 483868, 502720, 552992, 604835, 691240, 703808, 879760, 967736, 1005440, 1105984, 1209670, 1382480, 1407616, 1759520, 1935472, 2211968, 2419340, 2764960, 3519040, 3870944, 4838680, 5529920, 7038080, 7741888, 9677360, 11059840, 15483776, 19354720, 38709440, 77418880]

約数ペア:

[(1, 77418880), (2, 38709440), (4, 19354720), (5, 15483776), (7, 11059840), (8, 9677360), (10, 7741888), (11, 7038080), (14, 5529920), (16, 4838680), (20, 3870944), (22, 3519040), (28, 2764960), (32, 2419340), (35, 2211968), (40, 1935472), (44, 1759520), (55, 1407616), (56, 1382480), (64, 1209670), (70, 1105984), (77, 1005440), (80, 967736), (88, 879760), (110, 703808), (112, 691240), (128, 604835), (140, 552992), (154, 502720), (160, 483868), (176, 439880), (220, 351904), (224, 345620), (280, 276496), (308, 251360), (320, 241934), (352, 219940), (385, 201088), (440, 175952), (448, 172810), (560, 138248), (616, 125680), (640, 120967), (704, 109970), (770, 100544), (880, 87976), (896, 86405), (1120, 69124), (1232, 62840), (1408, 54985), (1540, 50272), (1571, 49280), (1760, 43988), (2240, 34562), (2464, 31420), (3080, 25136), (3142, 24640), (3520, 21994), (4480, 17281), (4928, 15710), (6160, 12568), (6284, 12320), (7040, 10997), (7855, 9856)]