157326880

素因数分解:

$2^5\times 5^1\times {\mathrm{691}}^1\times {\mathrm{1423}}^1$

素因数の和:2129

約数の個数: 48

約数和(自身を含む): 372484224

約数和(自身を除く): 215157344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 691, 1382, 1423, 2764, 2846, 3455, 5528, 5692, 6910, 7115, 11056, 11384, 13820, 14230, 22112, 22768, 27640, 28460, 45536, 55280, 56920, 110560, 113840, 227680, 983293, 1966586, 3933172, 4916465, 7866344, 9832930, 15732688, 19665860, 31465376, 39331720, 78663440, 157326880]

約数ペア:

[(1, 157326880), (2, 78663440), (4, 39331720), (5, 31465376), (8, 19665860), (10, 15732688), (16, 9832930), (20, 7866344), (32, 4916465), (40, 3933172), (80, 1966586), (160, 983293), (691, 227680), (1382, 113840), (1423, 110560), (2764, 56920), (2846, 55280), (3455, 45536), (5528, 28460), (5692, 27640), (6910, 22768), (7115, 22112), (11056, 14230), (11384, 13820)]