81650800

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{241}}^1$

素因数の和:288

約数の個数: 180

約数和(自身を含む): 247445968

約数和(自身を除く): 165795168

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 25, 28, 35, 40, 44, 50, 55, 56, 70, 77, 80, 88, 100, 110, 112, 121, 140, 154, 175, 176, 200, 220, 241, 242, 275, 280, 308, 350, 385, 400, 440, 482, 484, 550, 560, 605, 616, 700, 770, 847, 880, 964, 968, 1100, 1205, 1210, 1232, 1400, 1540, 1687, 1694, 1925, 1928, 1936, 2200, 2410, 2420, 2651, 2800, 3025, 3080, 3374, 3388, 3850, 3856, 4235, 4400, 4820, 4840, 5302, 6025, 6050, 6160, 6748, 6776, 7700, 8435, 8470, 9640, 9680, 10604, 12050, 12100, 13255, 13496, 13552, 15400, 16870, 16940, 18557, 19280, 21175, 21208, 24100, 24200, 26510, 26992, 29161, 30800, 33740, 33880, 37114, 42175, 42350, 42416, 48200, 48400, 53020, 58322, 66275, 67480, 67760, 74228, 84350, 84700, 92785, 96400, 106040, 116644, 132550, 134960, 145805, 148456, 168700, 169400, 185570, 204127, 212080, 233288, 265100, 291610, 296912, 337400, 338800, 371140, 408254, 463925, 466576, 530200, 583220, 674800, 729025, 742280, 816508, 927850, 1020635, 1060400, 1166440, 1458050, 1484560, 1633016, 1855700, 2041270, 2332880, 2916100, 3266032, 3711400, 4082540, 5103175, 5832200, 7422800, 8165080, 10206350, 11664400, 16330160, 20412700, 40825400, 81650800]

約数ペア:

[(1, 81650800), (2, 40825400), (4, 20412700), (5, 16330160), (7, 11664400), (8, 10206350), (10, 8165080), (11, 7422800), (14, 5832200), (16, 5103175), (20, 4082540), (22, 3711400), (25, 3266032), (28, 2916100), (35, 2332880), (40, 2041270), (44, 1855700), (50, 1633016), (55, 1484560), (56, 1458050), (70, 1166440), (77, 1060400), (80, 1020635), (88, 927850), (100, 816508), (110, 742280), (112, 729025), (121, 674800), (140, 583220), (154, 530200), (175, 466576), (176, 463925), (200, 408254), (220, 371140), (241, 338800), (242, 337400), (275, 296912), (280, 291610), (308, 265100), (350, 233288), (385, 212080), (400, 204127), (440, 185570), (482, 169400), (484, 168700), (550, 148456), (560, 145805), (605, 134960), (616, 132550), (700, 116644), (770, 106040), (847, 96400), (880, 92785), (964, 84700), (968, 84350), (1100, 74228), (1205, 67760), (1210, 67480), (1232, 66275), (1400, 58322), (1540, 53020), (1687, 48400), (1694, 48200), (1925, 42416), (1928, 42350), (1936, 42175), (2200, 37114), (2410, 33880), (2420, 33740), (2651, 30800), (2800, 29161), (3025, 26992), (3080, 26510), (3374, 24200), (3388, 24100), (3850, 21208), (3856, 21175), (4235, 19280), (4400, 18557), (4820, 16940), (4840, 16870), (5302, 15400), (6025, 13552), (6050, 13496), (6160, 13255), (6748, 12100), (6776, 12050), (7700, 10604), (8435, 9680), (8470, 9640)]