81265464

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{757}}^1$

素因数の和:850

約数の個数: 128

約数和(自身を含む): 261964800

約数和(自身を除く): 180699336

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 71, 72, 84, 108, 126, 142, 168, 189, 213, 216, 252, 284, 378, 426, 497, 504, 568, 639, 756, 757, 852, 994, 1278, 1491, 1512, 1514, 1704, 1917, 1988, 2271, 2556, 2982, 3028, 3834, 3976, 4473, 4542, 5112, 5299, 5964, 6056, 6813, 7668, 8946, 9084, 10598, 11928, 13419, 13626, 15336, 15897, 17892, 18168, 20439, 21196, 26838, 27252, 31794, 35784, 40878, 42392, 47691, 53676, 53747, 54504, 63588, 81756, 95382, 107352, 107494, 127176, 143073, 161241, 163512, 190764, 214988, 286146, 322482, 376229, 381528, 429976, 483723, 572292, 644964, 752458, 967446, 1128687, 1144584, 1289928, 1451169, 1504916, 1934892, 2257374, 2902338, 3009832, 3386061, 3869784, 4514748, 5804676, 6772122, 9029496, 10158183, 11609352, 13544244, 20316366, 27088488, 40632732, 81265464]

約数ペア:

[(1, 81265464), (2, 40632732), (3, 27088488), (4, 20316366), (6, 13544244), (7, 11609352), (8, 10158183), (9, 9029496), (12, 6772122), (14, 5804676), (18, 4514748), (21, 3869784), (24, 3386061), (27, 3009832), (28, 2902338), (36, 2257374), (42, 1934892), (54, 1504916), (56, 1451169), (63, 1289928), (71, 1144584), (72, 1128687), (84, 967446), (108, 752458), (126, 644964), (142, 572292), (168, 483723), (189, 429976), (213, 381528), (216, 376229), (252, 322482), (284, 286146), (378, 214988), (426, 190764), (497, 163512), (504, 161241), (568, 143073), (639, 127176), (756, 107494), (757, 107352), (852, 95382), (994, 81756), (1278, 63588), (1491, 54504), (1512, 53747), (1514, 53676), (1704, 47691), (1917, 42392), (1988, 40878), (2271, 35784), (2556, 31794), (2982, 27252), (3028, 26838), (3834, 21196), (3976, 20439), (4473, 18168), (4542, 17892), (5112, 15897), (5299, 15336), (5964, 13626), (6056, 13419), (6813, 11928), (7668, 10598), (8946, 9084)]