156697120

素因数分解:

$2^5\times 5^1\times {\mathrm{487}}^1\times {\mathrm{2011}}^1$

素因数の和:2513

約数の個数: 48

約数和(自身を含む): 371141568

約数和(自身を除く): 214444448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 487, 974, 1948, 2011, 2435, 3896, 4022, 4870, 7792, 8044, 9740, 10055, 15584, 16088, 19480, 20110, 32176, 38960, 40220, 64352, 77920, 80440, 160880, 321760, 979357, 1958714, 3917428, 4896785, 7834856, 9793570, 15669712, 19587140, 31339424, 39174280, 78348560, 156697120]

約数ペア:

[(1, 156697120), (2, 78348560), (4, 39174280), (5, 31339424), (8, 19587140), (10, 15669712), (16, 9793570), (20, 7834856), (32, 4896785), (40, 3917428), (80, 1958714), (160, 979357), (487, 321760), (974, 160880), (1948, 80440), (2011, 77920), (2435, 64352), (3896, 40220), (4022, 38960), (4870, 32176), (7792, 20110), (8044, 19480), (9740, 16088), (10055, 15584)]