81901344

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{757}}^1$

素因数の和:807

約数の個数: 144

約数和(自身を含む): 261309888

約数和(自身を除く): 179408544

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 23, 24, 28, 32, 42, 46, 48, 49, 56, 69, 84, 92, 96, 98, 112, 138, 147, 161, 168, 184, 196, 224, 276, 294, 322, 336, 368, 392, 483, 552, 588, 644, 672, 736, 757, 784, 966, 1104, 1127, 1176, 1288, 1514, 1568, 1932, 2208, 2254, 2271, 2352, 2576, 3028, 3381, 3864, 4508, 4542, 4704, 5152, 5299, 6056, 6762, 7728, 9016, 9084, 10598, 12112, 13524, 15456, 15897, 17411, 18032, 18168, 21196, 24224, 27048, 31794, 34822, 36064, 36336, 37093, 42392, 52233, 54096, 63588, 69644, 72672, 74186, 84784, 104466, 108192, 111279, 121877, 127176, 139288, 148372, 169568, 208932, 222558, 243754, 254352, 278576, 296744, 365631, 417864, 445116, 487508, 508704, 557152, 593488, 731262, 835728, 853139, 890232, 975016, 1186976, 1462524, 1671456, 1706278, 1780464, 1950032, 2559417, 2925048, 3412556, 3560928, 3900064, 5118834, 5850096, 6825112, 10237668, 11700192, 13650224, 20475336, 27300448, 40950672, 81901344]

約数ペア:

[(1, 81901344), (2, 40950672), (3, 27300448), (4, 20475336), (6, 13650224), (7, 11700192), (8, 10237668), (12, 6825112), (14, 5850096), (16, 5118834), (21, 3900064), (23, 3560928), (24, 3412556), (28, 2925048), (32, 2559417), (42, 1950032), (46, 1780464), (48, 1706278), (49, 1671456), (56, 1462524), (69, 1186976), (84, 975016), (92, 890232), (96, 853139), (98, 835728), (112, 731262), (138, 593488), (147, 557152), (161, 508704), (168, 487508), (184, 445116), (196, 417864), (224, 365631), (276, 296744), (294, 278576), (322, 254352), (336, 243754), (368, 222558), (392, 208932), (483, 169568), (552, 148372), (588, 139288), (644, 127176), (672, 121877), (736, 111279), (757, 108192), (784, 104466), (966, 84784), (1104, 74186), (1127, 72672), (1176, 69644), (1288, 63588), (1514, 54096), (1568, 52233), (1932, 42392), (2208, 37093), (2254, 36336), (2271, 36064), (2352, 34822), (2576, 31794), (3028, 27048), (3381, 24224), (3864, 21196), (4508, 18168), (4542, 18032), (4704, 17411), (5152, 15897), (5299, 15456), (6056, 13524), (6762, 12112), (7728, 10598), (9016, 9084)]