81580212

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:310

約数の個数: 144

約数和(自身を含む): 253169280

約数和(自身を除く): 171589068

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 34, 36, 42, 51, 63, 68, 84, 102, 119, 126, 137, 139, 153, 204, 238, 252, 274, 278, 306, 357, 411, 417, 476, 548, 556, 612, 714, 822, 834, 959, 973, 1071, 1233, 1251, 1428, 1644, 1668, 1918, 1946, 2142, 2329, 2363, 2466, 2502, 2877, 2919, 3836, 3892, 4284, 4658, 4726, 4932, 5004, 5754, 5838, 6987, 7089, 8631, 8757, 9316, 9452, 11508, 11676, 13974, 14178, 16303, 16541, 17262, 17514, 19043, 20961, 21267, 27948, 28356, 32606, 33082, 34524, 35028, 38086, 41922, 42534, 48909, 49623, 57129, 65212, 66164, 76172, 83844, 85068, 97818, 99246, 114258, 133301, 146727, 148869, 171387, 195636, 198492, 228516, 266602, 293454, 297738, 323731, 342774, 399903, 533204, 586908, 595476, 647462, 685548, 799806, 971193, 1199709, 1294924, 1599612, 1942386, 2266117, 2399418, 2913579, 3884772, 4532234, 4798836, 5827158, 6798351, 9064468, 11654316, 13596702, 20395053, 27193404, 40790106, 81580212]

約数ペア:

[(1, 81580212), (2, 40790106), (3, 27193404), (4, 20395053), (6, 13596702), (7, 11654316), (9, 9064468), (12, 6798351), (14, 5827158), (17, 4798836), (18, 4532234), (21, 3884772), (28, 2913579), (34, 2399418), (36, 2266117), (42, 1942386), (51, 1599612), (63, 1294924), (68, 1199709), (84, 971193), (102, 799806), (119, 685548), (126, 647462), (137, 595476), (139, 586908), (153, 533204), (204, 399903), (238, 342774), (252, 323731), (274, 297738), (278, 293454), (306, 266602), (357, 228516), (411, 198492), (417, 195636), (476, 171387), (548, 148869), (556, 146727), (612, 133301), (714, 114258), (822, 99246), (834, 97818), (959, 85068), (973, 83844), (1071, 76172), (1233, 66164), (1251, 65212), (1428, 57129), (1644, 49623), (1668, 48909), (1918, 42534), (1946, 41922), (2142, 38086), (2329, 35028), (2363, 34524), (2466, 33082), (2502, 32606), (2877, 28356), (2919, 27948), (3836, 21267), (3892, 20961), (4284, 19043), (4658, 17514), (4726, 17262), (4932, 16541), (5004, 16303), (5754, 14178), (5838, 13974), (6987, 11676), (7089, 11508), (8631, 9452), (8757, 9316)]