77104280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{401}}^1$

素因数の和:465

約数の個数: 128

約数和(自身を含む): 208396800

約数和(自身を除く): 131292520

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 23, 38, 40, 44, 46, 55, 76, 88, 92, 95, 110, 115, 152, 184, 190, 209, 220, 230, 253, 380, 401, 418, 437, 440, 460, 506, 760, 802, 836, 874, 920, 1012, 1045, 1265, 1604, 1672, 1748, 2005, 2024, 2090, 2185, 2530, 3208, 3496, 4010, 4180, 4370, 4411, 4807, 5060, 7619, 8020, 8360, 8740, 8822, 9223, 9614, 10120, 15238, 16040, 17480, 17644, 18446, 19228, 22055, 24035, 30476, 35288, 36892, 38095, 38456, 44110, 46115, 48070, 60952, 73784, 76190, 83809, 88220, 92230, 96140, 101453, 152380, 167618, 175237, 176440, 184460, 192280, 202906, 304760, 335236, 350474, 368920, 405812, 419045, 507265, 670472, 700948, 811624, 838090, 876185, 1014530, 1401896, 1676180, 1752370, 1927607, 2029060, 3352360, 3504740, 3855214, 4058120, 7009480, 7710428, 9638035, 15420856, 19276070, 38552140, 77104280]

約数ペア:

[(1, 77104280), (2, 38552140), (4, 19276070), (5, 15420856), (8, 9638035), (10, 7710428), (11, 7009480), (19, 4058120), (20, 3855214), (22, 3504740), (23, 3352360), (38, 2029060), (40, 1927607), (44, 1752370), (46, 1676180), (55, 1401896), (76, 1014530), (88, 876185), (92, 838090), (95, 811624), (110, 700948), (115, 670472), (152, 507265), (184, 419045), (190, 405812), (209, 368920), (220, 350474), (230, 335236), (253, 304760), (380, 202906), (401, 192280), (418, 184460), (437, 176440), (440, 175237), (460, 167618), (506, 152380), (760, 101453), (802, 96140), (836, 92230), (874, 88220), (920, 83809), (1012, 76190), (1045, 73784), (1265, 60952), (1604, 48070), (1672, 46115), (1748, 44110), (2005, 38456), (2024, 38095), (2090, 36892), (2185, 35288), (2530, 30476), (3208, 24035), (3496, 22055), (4010, 19228), (4180, 18446), (4370, 17644), (4411, 17480), (4807, 16040), (5060, 15238), (7619, 10120), (8020, 9614), (8360, 9223), (8740, 8822)]