72477160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{258847}}^1$

素因数の和:258865

約数の個数: 32

約数和(自身を含む): 186370560

約数和(自身を除く): 113893400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 258847, 517694, 1035388, 1294235, 1811929, 2070776, 2588470, 3623858, 5176940, 7247716, 9059645, 10353880, 14495432, 18119290, 36238580, 72477160]

約数ペア:

[(1, 72477160), (2, 36238580), (4, 18119290), (5, 14495432), (7, 10353880), (8, 9059645), (10, 7247716), (14, 5176940), (20, 3623858), (28, 2588470), (35, 2070776), (40, 1811929), (56, 1294235), (70, 1035388), (140, 517694), (280, 258847)]