77207680

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^2\times {\mathrm{997}}^1$

素因数の和:1038

約数の個数: 96

約数和(自身を含む): 203083020

約数和(自身を除く): 125875340

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 121, 128, 160, 176, 220, 242, 320, 352, 440, 484, 605, 640, 704, 880, 968, 997, 1210, 1408, 1760, 1936, 1994, 2420, 3520, 3872, 3988, 4840, 4985, 7040, 7744, 7976, 9680, 9970, 10967, 15488, 15952, 19360, 19940, 21934, 31904, 38720, 39880, 43868, 54835, 63808, 77440, 79760, 87736, 109670, 120637, 127616, 159520, 175472, 219340, 241274, 319040, 350944, 438680, 482548, 603185, 638080, 701888, 877360, 965096, 1206370, 1403776, 1754720, 1930192, 2412740, 3509440, 3860384, 4825480, 7018880, 7720768, 9650960, 15441536, 19301920, 38603840, 77207680]

約数ペア:

[(1, 77207680), (2, 38603840), (4, 19301920), (5, 15441536), (8, 9650960), (10, 7720768), (11, 7018880), (16, 4825480), (20, 3860384), (22, 3509440), (32, 2412740), (40, 1930192), (44, 1754720), (55, 1403776), (64, 1206370), (80, 965096), (88, 877360), (110, 701888), (121, 638080), (128, 603185), (160, 482548), (176, 438680), (220, 350944), (242, 319040), (320, 241274), (352, 219340), (440, 175472), (484, 159520), (605, 127616), (640, 120637), (704, 109670), (880, 87736), (968, 79760), (997, 77440), (1210, 63808), (1408, 54835), (1760, 43868), (1936, 39880), (1994, 38720), (2420, 31904), (3520, 21934), (3872, 19940), (3988, 19360), (4840, 15952), (4985, 15488), (7040, 10967), (7744, 9970), (7976, 9680)]