181569440

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{87293}}^1$

素因数の和:87321

約数の個数: 48

約数和(自身を含む): 461959848

約数和(自身を除く): 280390408

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 87293, 174586, 349172, 436465, 698344, 872930, 1134809, 1396688, 1745860, 2269618, 2793376, 3491720, 4539236, 5674045, 6983440, 9078472, 11348090, 13966880, 18156944, 22696180, 36313888, 45392360, 90784720, 181569440]

約数ペア:

[(1, 181569440), (2, 90784720), (4, 45392360), (5, 36313888), (8, 22696180), (10, 18156944), (13, 13966880), (16, 11348090), (20, 9078472), (26, 6983440), (32, 5674045), (40, 4539236), (52, 3491720), (65, 2793376), (80, 2269618), (104, 1745860), (130, 1396688), (160, 1134809), (208, 872930), (260, 698344), (416, 436465), (520, 349172), (1040, 174586), (2080, 87293)]