420731520

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1811}}^1$

素因数の和:1855

約数の個数: 192

約数和(自身を含む): 1474895520

約数和(自身を除く): 1054164000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 121, 128, 132, 160, 165, 176, 192, 220, 240, 242, 264, 320, 330, 352, 363, 384, 440, 480, 484, 528, 605, 640, 660, 704, 726, 880, 960, 968, 1056, 1210, 1320, 1408, 1452, 1760, 1811, 1815, 1920, 1936, 2112, 2420, 2640, 2904, 3520, 3622, 3630, 3872, 4224, 4840, 5280, 5433, 5808, 7040, 7244, 7260, 7744, 9055, 9680, 10560, 10866, 11616, 14488, 14520, 15488, 18110, 19360, 19921, 21120, 21732, 23232, 27165, 28976, 29040, 36220, 38720, 39842, 43464, 46464, 54330, 57952, 58080, 59763, 72440, 77440, 79684, 86928, 99605, 108660, 115904, 116160, 119526, 144880, 159368, 173856, 199210, 217320, 219131, 231808, 232320, 239052, 289760, 298815, 318736, 347712, 398420, 434640, 438262, 478104, 579520, 597630, 637472, 657393, 695424, 796840, 869280, 876524, 956208, 1095655, 1159040, 1195260, 1274944, 1314786, 1593680, 1738560, 1753048, 1912416, 2191310, 2390520, 2549888, 2629572, 3187360, 3286965, 3477120, 3506096, 3824832, 4382620, 4781040, 5259144, 6374720, 6573930, 7012192, 7649664, 8765240, 9562080, 10518288, 12749440, 13147860, 14024384, 17530480, 19124160, 21036576, 26295720, 28048768, 35060960, 38248320, 42073152, 52591440, 70121920, 84146304, 105182880, 140243840, 210365760, 420731520]

約数ペア:

[(1, 420731520), (2, 210365760), (3, 140243840), (4, 105182880), (5, 84146304), (6, 70121920), (8, 52591440), (10, 42073152), (11, 38248320), (12, 35060960), (15, 28048768), (16, 26295720), (20, 21036576), (22, 19124160), (24, 17530480), (30, 14024384), (32, 13147860), (33, 12749440), (40, 10518288), (44, 9562080), (48, 8765240), (55, 7649664), (60, 7012192), (64, 6573930), (66, 6374720), (80, 5259144), (88, 4781040), (96, 4382620), (110, 3824832), (120, 3506096), (121, 3477120), (128, 3286965), (132, 3187360), (160, 2629572), (165, 2549888), (176, 2390520), (192, 2191310), (220, 1912416), (240, 1753048), (242, 1738560), (264, 1593680), (320, 1314786), (330, 1274944), (352, 1195260), (363, 1159040), (384, 1095655), (440, 956208), (480, 876524), (484, 869280), (528, 796840), (605, 695424), (640, 657393), (660, 637472), (704, 597630), (726, 579520), (880, 478104), (960, 438262), (968, 434640), (1056, 398420), (1210, 347712), (1320, 318736), (1408, 298815), (1452, 289760), (1760, 239052), (1811, 232320), (1815, 231808), (1920, 219131), (1936, 217320), (2112, 199210), (2420, 173856), (2640, 159368), (2904, 144880), (3520, 119526), (3622, 116160), (3630, 115904), (3872, 108660), (4224, 99605), (4840, 86928), (5280, 79684), (5433, 77440), (5808, 72440), (7040, 59763), (7244, 58080), (7260, 57952), (7744, 54330), (9055, 46464), (9680, 43464), (10560, 39842), (10866, 38720), (11616, 36220), (14488, 29040), (14520, 28976), (15488, 27165), (18110, 23232), (19360, 21732), (19921, 21120)]