680895036

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{647}}^1$

素因数の和:752

約数の個数: 144

約数和(自身を含む): 1902071808

約数和(自身を除く): 1221176772

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 31, 36, 41, 46, 62, 69, 82, 92, 93, 123, 124, 138, 164, 186, 207, 246, 276, 279, 369, 372, 414, 492, 558, 647, 713, 738, 828, 943, 1116, 1271, 1294, 1426, 1476, 1886, 1941, 2139, 2542, 2588, 2829, 2852, 3772, 3813, 3882, 4278, 5084, 5658, 5823, 6417, 7626, 7764, 8487, 8556, 11316, 11439, 11646, 12834, 14881, 15252, 16974, 20057, 22878, 23292, 25668, 26527, 29233, 29762, 33948, 40114, 44643, 45756, 53054, 58466, 59524, 60171, 79581, 80228, 87699, 89286, 106108, 116932, 120342, 133929, 159162, 175398, 178572, 180513, 238743, 240684, 263097, 267858, 318324, 350796, 361026, 461311, 477486, 526194, 535716, 610121, 722052, 822337, 922622, 954972, 1052388, 1220242, 1383933, 1644674, 1830363, 1845244, 2440484, 2467011, 2767866, 3289348, 3660726, 4151799, 4934022, 5491089, 5535732, 7321452, 7401033, 8303598, 9868044, 10982178, 14802066, 16607196, 18913751, 21964356, 29604132, 37827502, 56741253, 75655004, 113482506, 170223759, 226965012, 340447518, 680895036]

約数ペア:

[(1, 680895036), (2, 340447518), (3, 226965012), (4, 170223759), (6, 113482506), (9, 75655004), (12, 56741253), (18, 37827502), (23, 29604132), (31, 21964356), (36, 18913751), (41, 16607196), (46, 14802066), (62, 10982178), (69, 9868044), (82, 8303598), (92, 7401033), (93, 7321452), (123, 5535732), (124, 5491089), (138, 4934022), (164, 4151799), (186, 3660726), (207, 3289348), (246, 2767866), (276, 2467011), (279, 2440484), (369, 1845244), (372, 1830363), (414, 1644674), (492, 1383933), (558, 1220242), (647, 1052388), (713, 954972), (738, 922622), (828, 822337), (943, 722052), (1116, 610121), (1271, 535716), (1294, 526194), (1426, 477486), (1476, 461311), (1886, 361026), (1941, 350796), (2139, 318324), (2542, 267858), (2588, 263097), (2829, 240684), (2852, 238743), (3772, 180513), (3813, 178572), (3882, 175398), (4278, 159162), (5084, 133929), (5658, 120342), (5823, 116932), (6417, 106108), (7626, 89286), (7764, 87699), (8487, 80228), (8556, 79581), (11316, 60171), (11439, 59524), (11646, 58466), (12834, 53054), (14881, 45756), (15252, 44643), (16974, 40114), (20057, 33948), (22878, 29762), (23292, 29233), (25668, 26527)]