72711520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{64921}}^1$

素因数の和:64943

約数の個数: 48

約数和(自身を含む): 196324128

約数和(自身を除く): 123612608

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 64921, 129842, 259684, 324605, 454447, 519368, 649210, 908894, 1038736, 1298420, 1817788, 2077472, 2272235, 2596840, 3635576, 4544470, 5193680, 7271152, 9088940, 10387360, 14542304, 18177880, 36355760, 72711520]

約数ペア:

[(1, 72711520), (2, 36355760), (4, 18177880), (5, 14542304), (7, 10387360), (8, 9088940), (10, 7271152), (14, 5193680), (16, 4544470), (20, 3635576), (28, 2596840), (32, 2272235), (35, 2077472), (40, 1817788), (56, 1298420), (70, 1038736), (80, 908894), (112, 649210), (140, 519368), (160, 454447), (224, 324605), (280, 259684), (560, 129842), (1120, 64921)]