261860508

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{601}}^1$

素因数の和:657

約数の個数: 216

約数和(自身を含む): 874320720

約数和(自身を除く): 612460212

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 19, 21, 26, 28, 36, 38, 39, 42, 49, 52, 57, 63, 76, 78, 84, 91, 98, 114, 117, 126, 133, 147, 156, 171, 182, 196, 228, 234, 247, 252, 266, 273, 294, 342, 364, 399, 441, 468, 494, 532, 546, 588, 601, 637, 684, 741, 798, 819, 882, 931, 988, 1092, 1197, 1202, 1274, 1482, 1596, 1638, 1729, 1764, 1803, 1862, 1911, 2223, 2394, 2404, 2548, 2793, 2964, 3276, 3458, 3606, 3724, 3822, 4207, 4446, 4788, 5187, 5409, 5586, 5733, 6916, 7212, 7644, 7813, 8379, 8414, 8892, 10374, 10818, 11172, 11419, 11466, 12103, 12621, 15561, 15626, 16758, 16828, 20748, 21636, 22838, 22932, 23439, 24206, 25242, 29449, 31122, 31252, 33516, 34257, 36309, 37863, 45676, 46878, 48412, 50484, 54691, 58898, 62244, 68514, 70317, 72618, 75726, 79933, 88347, 93756, 102771, 108927, 109382, 117796, 137028, 140634, 145236, 148447, 151452, 159866, 164073, 176694, 205542, 217854, 218764, 239799, 265041, 281268, 296894, 319732, 328146, 353388, 382837, 411084, 435708, 445341, 479598, 492219, 530082, 559531, 593788, 656292, 719397, 765674, 890682, 959196, 984438, 1039129, 1060164, 1119062, 1148511, 1336023, 1438794, 1531348, 1678593, 1781364, 1968876, 2078258, 2238124, 2297022, 2672046, 2877588, 3117387, 3357186, 3445533, 4156516, 4594044, 5035779, 5344092, 6234774, 6714372, 6891066, 7273903, 9352161, 10071558, 12469548, 13782132, 14547806, 18704322, 20143116, 21821709, 29095612, 37408644, 43643418, 65465127, 87286836, 130930254, 261860508]

約数ペア:

[(1, 261860508), (2, 130930254), (3, 87286836), (4, 65465127), (6, 43643418), (7, 37408644), (9, 29095612), (12, 21821709), (13, 20143116), (14, 18704322), (18, 14547806), (19, 13782132), (21, 12469548), (26, 10071558), (28, 9352161), (36, 7273903), (38, 6891066), (39, 6714372), (42, 6234774), (49, 5344092), (52, 5035779), (57, 4594044), (63, 4156516), (76, 3445533), (78, 3357186), (84, 3117387), (91, 2877588), (98, 2672046), (114, 2297022), (117, 2238124), (126, 2078258), (133, 1968876), (147, 1781364), (156, 1678593), (171, 1531348), (182, 1438794), (196, 1336023), (228, 1148511), (234, 1119062), (247, 1060164), (252, 1039129), (266, 984438), (273, 959196), (294, 890682), (342, 765674), (364, 719397), (399, 656292), (441, 593788), (468, 559531), (494, 530082), (532, 492219), (546, 479598), (588, 445341), (601, 435708), (637, 411084), (684, 382837), (741, 353388), (798, 328146), (819, 319732), (882, 296894), (931, 281268), (988, 265041), (1092, 239799), (1197, 218764), (1202, 217854), (1274, 205542), (1482, 176694), (1596, 164073), (1638, 159866), (1729, 151452), (1764, 148447), (1803, 145236), (1862, 140634), (1911, 137028), (2223, 117796), (2394, 109382), (2404, 108927), (2548, 102771), (2793, 93756), (2964, 88347), (3276, 79933), (3458, 75726), (3606, 72618), (3724, 70317), (3822, 68514), (4207, 62244), (4446, 58898), (4788, 54691), (5187, 50484), (5409, 48412), (5586, 46878), (5733, 45676), (6916, 37863), (7212, 36309), (7644, 34257), (7813, 33516), (8379, 31252), (8414, 31122), (8892, 29449), (10374, 25242), (10818, 24206), (11172, 23439), (11419, 22932), (11466, 22838), (12103, 21636), (12621, 20748), (15561, 16828), (15626, 16758)]