81350220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{6679}}^1$

素因数の和:6727

約数の個数: 96

約数和(自身を含む): 269337600

約数和(自身を除く): 187987380

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 29, 30, 35, 42, 58, 60, 70, 84, 87, 105, 116, 140, 145, 174, 203, 210, 290, 348, 406, 420, 435, 580, 609, 812, 870, 1015, 1218, 1740, 2030, 2436, 3045, 4060, 6090, 6679, 12180, 13358, 20037, 26716, 33395, 40074, 46753, 66790, 80148, 93506, 100185, 133580, 140259, 187012, 193691, 200370, 233765, 280518, 387382, 400740, 467530, 561036, 581073, 701295, 774764, 935060, 968455, 1162146, 1355837, 1402590, 1936910, 2324292, 2711674, 2805180, 2905365, 3873820, 4067511, 5423348, 5810730, 6779185, 8135022, 11621460, 13558370, 16270044, 20337555, 27116740, 40675110, 81350220]

約数ペア:

[(1, 81350220), (2, 40675110), (3, 27116740), (4, 20337555), (5, 16270044), (6, 13558370), (7, 11621460), (10, 8135022), (12, 6779185), (14, 5810730), (15, 5423348), (20, 4067511), (21, 3873820), (28, 2905365), (29, 2805180), (30, 2711674), (35, 2324292), (42, 1936910), (58, 1402590), (60, 1355837), (70, 1162146), (84, 968455), (87, 935060), (105, 774764), (116, 701295), (140, 581073), (145, 561036), (174, 467530), (203, 400740), (210, 387382), (290, 280518), (348, 233765), (406, 200370), (420, 193691), (435, 187012), (580, 140259), (609, 133580), (812, 100185), (870, 93506), (1015, 80148), (1218, 66790), (1740, 46753), (2030, 40074), (2436, 33395), (3045, 26716), (4060, 20037), (6090, 13358), (6679, 12180)]