155807680

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{69557}}^1$

素因数の和:69581

約数の個数: 56

約数和(自身を含む): 424025568

約数和(自身を除く): 268217888

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 69557, 139114, 278228, 347785, 486899, 556456, 695570, 973798, 1112912, 1391140, 1947596, 2225824, 2434495, 2782280, 3895192, 4451648, 4868990, 5564560, 7790384, 9737980, 11129120, 15580768, 19475960, 22258240, 31161536, 38951920, 77903840, 155807680]

約数ペア:

[(1, 155807680), (2, 77903840), (4, 38951920), (5, 31161536), (7, 22258240), (8, 19475960), (10, 15580768), (14, 11129120), (16, 9737980), (20, 7790384), (28, 5564560), (32, 4868990), (35, 4451648), (40, 3895192), (56, 2782280), (64, 2434495), (70, 2225824), (80, 1947596), (112, 1391140), (140, 1112912), (160, 973798), (224, 695570), (280, 556456), (320, 486899), (448, 347785), (560, 278228), (1120, 139114), (2240, 69557)]