156977821720

素因数分解:

$2^3\times 5^1\times {\mathrm{337}}^1\times {\mathrm{787}}^1\times {\mathrm{14797}}^1$

素因数の和:15932

約数の個数: 64

約数和(自身を含む): 354722266080

約数和(自身を除く): 197744444360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 337, 674, 787, 1348, 1574, 1685, 2696, 3148, 3370, 3935, 6296, 6740, 7870, 13480, 14797, 15740, 29594, 31480, 59188, 73985, 118376, 147970, 265219, 295940, 530438, 591880, 1060876, 1326095, 2121752, 2652190, 4986589, 5304380, 9973178, 10608760, 11645239, 19946356, 23290478, 24932945, 39892712, 46580956, 49865890, 58226195, 93161912, 99731780, 116452390, 199463560, 232904780, 465809560, 3924445543, 7848891086, 15697782172, 19622227715, 31395564344, 39244455430, 78488910860, 156977821720]

約数ペア:

[(1, 156977821720), (2, 78488910860), (4, 39244455430), (5, 31395564344), (8, 19622227715), (10, 15697782172), (20, 7848891086), (40, 3924445543), (337, 465809560), (674, 232904780), (787, 199463560), (1348, 116452390), (1574, 99731780), (1685, 93161912), (2696, 58226195), (3148, 49865890), (3370, 46580956), (3935, 39892712), (6296, 24932945), (6740, 23290478), (7870, 19946356), (13480, 11645239), (14797, 10608760), (15740, 9973178), (29594, 5304380), (31480, 4986589), (59188, 2652190), (73985, 2121752), (118376, 1326095), (147970, 1060876), (265219, 591880), (295940, 530438)]