685590072

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{499}}^1$

素因数の和:681

約数の個数: 128

約数和(自身を含む): 1900800000

約数和(自身を除く): 1215209928

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 23, 24, 38, 46, 57, 69, 76, 92, 114, 131, 138, 152, 184, 228, 262, 276, 393, 437, 456, 499, 524, 552, 786, 874, 998, 1048, 1311, 1497, 1572, 1748, 1996, 2489, 2622, 2994, 3013, 3144, 3496, 3992, 4978, 5244, 5988, 6026, 7467, 9039, 9481, 9956, 10488, 11477, 11976, 12052, 14934, 18078, 18962, 19912, 22954, 24104, 28443, 29868, 34431, 36156, 37924, 45908, 56886, 57247, 59736, 65369, 68862, 72312, 75848, 91816, 113772, 114494, 130738, 137724, 171741, 196107, 218063, 227544, 228988, 261476, 275448, 343482, 392214, 436126, 457976, 522952, 654189, 686964, 784428, 872252, 1242011, 1308378, 1373928, 1503487, 1568856, 1744504, 2484022, 2616756, 3006974, 3726033, 4510461, 4968044, 5233512, 6013948, 7452066, 9020922, 9936088, 12027896, 14904132, 18041844, 28566253, 29808264, 36083688, 57132506, 85698759, 114265012, 171397518, 228530024, 342795036, 685590072]

約数ペア:

[(1, 685590072), (2, 342795036), (3, 228530024), (4, 171397518), (6, 114265012), (8, 85698759), (12, 57132506), (19, 36083688), (23, 29808264), (24, 28566253), (38, 18041844), (46, 14904132), (57, 12027896), (69, 9936088), (76, 9020922), (92, 7452066), (114, 6013948), (131, 5233512), (138, 4968044), (152, 4510461), (184, 3726033), (228, 3006974), (262, 2616756), (276, 2484022), (393, 1744504), (437, 1568856), (456, 1503487), (499, 1373928), (524, 1308378), (552, 1242011), (786, 872252), (874, 784428), (998, 686964), (1048, 654189), (1311, 522952), (1497, 457976), (1572, 436126), (1748, 392214), (1996, 343482), (2489, 275448), (2622, 261476), (2994, 228988), (3013, 227544), (3144, 218063), (3496, 196107), (3992, 171741), (4978, 137724), (5244, 130738), (5988, 114494), (6026, 113772), (7467, 91816), (9039, 75848), (9481, 72312), (9956, 68862), (10488, 65369), (11477, 59736), (11976, 57247), (12052, 56886), (14934, 45908), (18078, 37924), (18962, 36156), (19912, 34431), (22954, 29868), (24104, 28443)]