72880960

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{11987}}^1$

素因数の和:12023

約数の個数: 56

約数和(自身を含む): 182697120

約数和(自身を除く): 109816160

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 304, 320, 380, 608, 760, 1216, 1520, 3040, 6080, 11987, 23974, 47948, 59935, 95896, 119870, 191792, 227753, 239740, 383584, 455506, 479480, 767168, 911012, 958960, 1138765, 1822024, 1917920, 2277530, 3644048, 3835840, 4555060, 7288096, 9110120, 14576192, 18220240, 36440480, 72880960]

約数ペア:

[(1, 72880960), (2, 36440480), (4, 18220240), (5, 14576192), (8, 9110120), (10, 7288096), (16, 4555060), (19, 3835840), (20, 3644048), (32, 2277530), (38, 1917920), (40, 1822024), (64, 1138765), (76, 958960), (80, 911012), (95, 767168), (152, 479480), (160, 455506), (190, 383584), (304, 239740), (320, 227753), (380, 191792), (608, 119870), (760, 95896), (1216, 59935), (1520, 47948), (3040, 23974), (6080, 11987)]