76781320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{257}}^1$

素因数の和:383

約数の個数: 128

約数和(自身を含む): 218453760

約数和(自身を除く): 141672440

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 97, 110, 140, 154, 194, 220, 257, 280, 308, 385, 388, 440, 485, 514, 616, 679, 770, 776, 970, 1028, 1067, 1285, 1358, 1540, 1799, 1940, 2056, 2134, 2570, 2716, 2827, 3080, 3395, 3598, 3880, 4268, 5140, 5335, 5432, 5654, 6790, 7196, 7469, 8536, 8995, 10280, 10670, 11308, 13580, 14135, 14392, 14938, 17990, 19789, 21340, 22616, 24929, 27160, 28270, 29876, 35980, 37345, 39578, 42680, 49858, 56540, 59752, 71960, 74690, 79156, 98945, 99716, 113080, 124645, 149380, 158312, 174503, 197890, 199432, 249290, 274219, 298760, 349006, 395780, 498580, 548438, 698012, 791560, 872515, 997160, 1096876, 1371095, 1396024, 1745030, 1919533, 2193752, 2742190, 3490060, 3839066, 5484380, 6980120, 7678132, 9597665, 10968760, 15356264, 19195330, 38390660, 76781320]

約数ペア:

[(1, 76781320), (2, 38390660), (4, 19195330), (5, 15356264), (7, 10968760), (8, 9597665), (10, 7678132), (11, 6980120), (14, 5484380), (20, 3839066), (22, 3490060), (28, 2742190), (35, 2193752), (40, 1919533), (44, 1745030), (55, 1396024), (56, 1371095), (70, 1096876), (77, 997160), (88, 872515), (97, 791560), (110, 698012), (140, 548438), (154, 498580), (194, 395780), (220, 349006), (257, 298760), (280, 274219), (308, 249290), (385, 199432), (388, 197890), (440, 174503), (485, 158312), (514, 149380), (616, 124645), (679, 113080), (770, 99716), (776, 98945), (970, 79156), (1028, 74690), (1067, 71960), (1285, 59752), (1358, 56540), (1540, 49858), (1799, 42680), (1940, 39578), (2056, 37345), (2134, 35980), (2570, 29876), (2716, 28270), (2827, 27160), (3080, 24929), (3395, 22616), (3598, 21340), (3880, 19789), (4268, 17990), (5140, 14938), (5335, 14392), (5432, 14135), (5654, 13580), (6790, 11308), (7196, 10670), (7469, 10280), (8536, 8995)]