180459440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{322249}}^1$

素因数の和:322269

約数の個数: 40

約数和(自身を含む): 479508000

約数和(自身を除く): 299048560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 322249, 644498, 1288996, 1611245, 2255743, 2577992, 3222490, 4511486, 5155984, 6444980, 9022972, 11278715, 12889960, 18045944, 22557430, 25779920, 36091888, 45114860, 90229720, 180459440]

約数ペア:

[(1, 180459440), (2, 90229720), (4, 45114860), (5, 36091888), (7, 25779920), (8, 22557430), (10, 18045944), (14, 12889960), (16, 11278715), (20, 9022972), (28, 6444980), (35, 5155984), (40, 4511486), (56, 3222490), (70, 2577992), (80, 2255743), (112, 1611245), (140, 1288996), (280, 644498), (560, 322249)]