81911544

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{823}}^1$

素因数の和:885

約数の個数: 128

約数和(自身を含む): 249177600

約数和(自身を除く): 167266056

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 22, 24, 26, 29, 33, 39, 44, 52, 58, 66, 78, 87, 88, 104, 116, 132, 143, 156, 174, 232, 264, 286, 312, 319, 348, 377, 429, 572, 638, 696, 754, 823, 858, 957, 1131, 1144, 1276, 1508, 1646, 1716, 1914, 2262, 2469, 2552, 3016, 3292, 3432, 3828, 4147, 4524, 4938, 6584, 7656, 8294, 9048, 9053, 9876, 10699, 12441, 16588, 18106, 19752, 21398, 23867, 24882, 27159, 32097, 33176, 36212, 42796, 47734, 49764, 54318, 64194, 71601, 72424, 85592, 95468, 99528, 108636, 117689, 128388, 143202, 190936, 217272, 235378, 256776, 262537, 286404, 310271, 353067, 470756, 525074, 572808, 620542, 706134, 787611, 930813, 941512, 1050148, 1241084, 1412268, 1575222, 1861626, 2100296, 2482168, 2824536, 3150444, 3412981, 3723252, 6300888, 6825962, 7446504, 10238943, 13651924, 20477886, 27303848, 40955772, 81911544]

約数ペア:

[(1, 81911544), (2, 40955772), (3, 27303848), (4, 20477886), (6, 13651924), (8, 10238943), (11, 7446504), (12, 6825962), (13, 6300888), (22, 3723252), (24, 3412981), (26, 3150444), (29, 2824536), (33, 2482168), (39, 2100296), (44, 1861626), (52, 1575222), (58, 1412268), (66, 1241084), (78, 1050148), (87, 941512), (88, 930813), (104, 787611), (116, 706134), (132, 620542), (143, 572808), (156, 525074), (174, 470756), (232, 353067), (264, 310271), (286, 286404), (312, 262537), (319, 256776), (348, 235378), (377, 217272), (429, 190936), (572, 143202), (638, 128388), (696, 117689), (754, 108636), (823, 99528), (858, 95468), (957, 85592), (1131, 72424), (1144, 71601), (1276, 64194), (1508, 54318), (1646, 49764), (1716, 47734), (1914, 42796), (2262, 36212), (2469, 33176), (2552, 32097), (3016, 27159), (3292, 24882), (3432, 23867), (3828, 21398), (4147, 19752), (4524, 18106), (4938, 16588), (6584, 12441), (7656, 10699), (8294, 9876), (9048, 9053)]