81069690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{2143}}^1$

素因数の和:2263

約数の個数: 64

約数和(自身を含む): 211792896

約数和(自身を除く): 130723206

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 97, 130, 194, 195, 291, 390, 485, 582, 970, 1261, 1455, 2143, 2522, 2910, 3783, 4286, 6305, 6429, 7566, 10715, 12610, 12858, 18915, 21430, 27859, 32145, 37830, 55718, 64290, 83577, 139295, 167154, 207871, 278590, 415742, 417885, 623613, 835770, 1039355, 1247226, 2078710, 2702323, 3118065, 5404646, 6236130, 8106969, 13511615, 16213938, 27023230, 40534845, 81069690]

約数ペア:

[(1, 81069690), (2, 40534845), (3, 27023230), (5, 16213938), (6, 13511615), (10, 8106969), (13, 6236130), (15, 5404646), (26, 3118065), (30, 2702323), (39, 2078710), (65, 1247226), (78, 1039355), (97, 835770), (130, 623613), (194, 417885), (195, 415742), (291, 278590), (390, 207871), (485, 167154), (582, 139295), (970, 83577), (1261, 64290), (1455, 55718), (2143, 37830), (2522, 32145), (2910, 27859), (3783, 21430), (4286, 18915), (6305, 12858), (6429, 12610), (7566, 10715)]