81054330

素因数分解:

$2^1\times 3^1\times 5^1\times 7^3\times {\mathrm{7877}}^1$

素因数の和:7908

約数の個数: 64

約数和(自身を含む): 226886400

約数和(自身を除く): 145832070

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 343, 490, 686, 735, 1029, 1470, 1715, 2058, 3430, 5145, 7877, 10290, 15754, 23631, 39385, 47262, 55139, 78770, 110278, 118155, 165417, 236310, 275695, 330834, 385973, 551390, 771946, 827085, 1157919, 1654170, 1929865, 2315838, 2701811, 3859730, 5403622, 5789595, 8105433, 11579190, 13509055, 16210866, 27018110, 40527165, 81054330]

約数ペア:

[(1, 81054330), (2, 40527165), (3, 27018110), (5, 16210866), (6, 13509055), (7, 11579190), (10, 8105433), (14, 5789595), (15, 5403622), (21, 3859730), (30, 2701811), (35, 2315838), (42, 1929865), (49, 1654170), (70, 1157919), (98, 827085), (105, 771946), (147, 551390), (210, 385973), (245, 330834), (294, 275695), (343, 236310), (490, 165417), (686, 118155), (735, 110278), (1029, 78770), (1470, 55139), (1715, 47262), (2058, 39385), (3430, 23631), (5145, 15754), (7877, 10290)]