31560228

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:226

約数の個数: 144

約数和(自身を含む): 99066240

約数和(自身を除く): 67506012

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 34, 36, 42, 51, 53, 63, 68, 84, 102, 106, 119, 126, 139, 153, 159, 204, 212, 238, 252, 278, 306, 318, 357, 371, 417, 476, 477, 556, 612, 636, 714, 742, 834, 901, 954, 973, 1071, 1113, 1251, 1428, 1484, 1668, 1802, 1908, 1946, 2142, 2226, 2363, 2502, 2703, 2919, 3339, 3604, 3892, 4284, 4452, 4726, 5004, 5406, 5838, 6307, 6678, 7089, 7367, 8109, 8757, 9452, 10812, 11676, 12614, 13356, 14178, 14734, 16218, 16541, 17514, 18921, 21267, 22101, 25228, 28356, 29468, 32436, 33082, 35028, 37842, 42534, 44202, 49623, 51569, 56763, 66164, 66303, 75684, 85068, 88404, 99246, 103138, 113526, 125239, 132606, 148869, 154707, 198492, 206276, 227052, 250478, 265212, 297738, 309414, 375717, 464121, 500956, 595476, 618828, 751434, 876673, 928242, 1127151, 1502868, 1753346, 1856484, 2254302, 2630019, 3506692, 4508604, 5260038, 7890057, 10520076, 15780114, 31560228]

約数ペア:

[(1, 31560228), (2, 15780114), (3, 10520076), (4, 7890057), (6, 5260038), (7, 4508604), (9, 3506692), (12, 2630019), (14, 2254302), (17, 1856484), (18, 1753346), (21, 1502868), (28, 1127151), (34, 928242), (36, 876673), (42, 751434), (51, 618828), (53, 595476), (63, 500956), (68, 464121), (84, 375717), (102, 309414), (106, 297738), (119, 265212), (126, 250478), (139, 227052), (153, 206276), (159, 198492), (204, 154707), (212, 148869), (238, 132606), (252, 125239), (278, 113526), (306, 103138), (318, 99246), (357, 88404), (371, 85068), (417, 75684), (476, 66303), (477, 66164), (556, 56763), (612, 51569), (636, 49623), (714, 44202), (742, 42534), (834, 37842), (901, 35028), (954, 33082), (973, 32436), (1071, 29468), (1113, 28356), (1251, 25228), (1428, 22101), (1484, 21267), (1668, 18921), (1802, 17514), (1908, 16541), (1946, 16218), (2142, 14734), (2226, 14178), (2363, 13356), (2502, 12614), (2703, 11676), (2919, 10812), (3339, 9452), (3604, 8757), (3892, 8109), (4284, 7367), (4452, 7089), (4726, 6678), (5004, 6307), (5406, 5838)]