81397368

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1$

素因数の和:266

約数の個数: 192

約数和(自身を含む): 262080000

約数和(自身を除く): 180682632

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 19, 23, 24, 26, 36, 38, 39, 46, 52, 57, 69, 72, 76, 78, 92, 104, 114, 117, 138, 152, 156, 171, 184, 199, 207, 228, 234, 247, 276, 299, 312, 342, 398, 414, 437, 456, 468, 494, 552, 597, 598, 684, 741, 796, 828, 874, 897, 936, 988, 1194, 1196, 1311, 1368, 1482, 1592, 1656, 1748, 1791, 1794, 1976, 2223, 2388, 2392, 2587, 2622, 2691, 2964, 3496, 3582, 3588, 3781, 3933, 4446, 4577, 4776, 5174, 5244, 5382, 5681, 5928, 7164, 7176, 7562, 7761, 7866, 8892, 9154, 10348, 10488, 10764, 11343, 11362, 13731, 14328, 15124, 15522, 15732, 17043, 17784, 18308, 20696, 21528, 22686, 22724, 23283, 27462, 30248, 31044, 31464, 34029, 34086, 36616, 41193, 45372, 45448, 46566, 49153, 51129, 54924, 59501, 62088, 68058, 68172, 82386, 86963, 90744, 93132, 98306, 102258, 109848, 119002, 136116, 136344, 147459, 164772, 173926, 178503, 186264, 196612, 204516, 238004, 260889, 272232, 294918, 329544, 347852, 357006, 393224, 409032, 442377, 476008, 521778, 535509, 589836, 695704, 714012, 782667, 884754, 1043556, 1071018, 1130519, 1179672, 1428024, 1565334, 1769508, 2087112, 2142036, 2261038, 3130668, 3391557, 3539016, 4284072, 4522076, 6261336, 6783114, 9044152, 10174671, 13566228, 20349342, 27132456, 40698684, 81397368]

約数ペア:

[(1, 81397368), (2, 40698684), (3, 27132456), (4, 20349342), (6, 13566228), (8, 10174671), (9, 9044152), (12, 6783114), (13, 6261336), (18, 4522076), (19, 4284072), (23, 3539016), (24, 3391557), (26, 3130668), (36, 2261038), (38, 2142036), (39, 2087112), (46, 1769508), (52, 1565334), (57, 1428024), (69, 1179672), (72, 1130519), (76, 1071018), (78, 1043556), (92, 884754), (104, 782667), (114, 714012), (117, 695704), (138, 589836), (152, 535509), (156, 521778), (171, 476008), (184, 442377), (199, 409032), (207, 393224), (228, 357006), (234, 347852), (247, 329544), (276, 294918), (299, 272232), (312, 260889), (342, 238004), (398, 204516), (414, 196612), (437, 186264), (456, 178503), (468, 173926), (494, 164772), (552, 147459), (597, 136344), (598, 136116), (684, 119002), (741, 109848), (796, 102258), (828, 98306), (874, 93132), (897, 90744), (936, 86963), (988, 82386), (1194, 68172), (1196, 68058), (1311, 62088), (1368, 59501), (1482, 54924), (1592, 51129), (1656, 49153), (1748, 46566), (1791, 45448), (1794, 45372), (1976, 41193), (2223, 36616), (2388, 34086), (2392, 34029), (2587, 31464), (2622, 31044), (2691, 30248), (2964, 27462), (3496, 23283), (3582, 22724), (3588, 22686), (3781, 21528), (3933, 20696), (4446, 18308), (4577, 17784), (4776, 17043), (5174, 15732), (5244, 15522), (5382, 15124), (5681, 14328), (5928, 13731), (7164, 11362), (7176, 11343), (7562, 10764), (7761, 10488), (7866, 10348), (8892, 9154)]