180421080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{214787}}^1$

素因数の和:214808

約数の個数: 64

約数和(自身を含む): 618589440

約数和(自身を除く): 438168360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 214787, 429574, 644361, 859148, 1073935, 1288722, 1503509, 1718296, 2147870, 2577444, 3007018, 3221805, 4295740, 4510527, 5154888, 6014036, 6443610, 7517545, 8591480, 9021054, 12028072, 12887220, 15035090, 18042108, 22552635, 25774440, 30070180, 36084216, 45105270, 60140360, 90210540, 180421080]

約数ペア:

[(1, 180421080), (2, 90210540), (3, 60140360), (4, 45105270), (5, 36084216), (6, 30070180), (7, 25774440), (8, 22552635), (10, 18042108), (12, 15035090), (14, 12887220), (15, 12028072), (20, 9021054), (21, 8591480), (24, 7517545), (28, 6443610), (30, 6014036), (35, 5154888), (40, 4510527), (42, 4295740), (56, 3221805), (60, 3007018), (70, 2577444), (84, 2147870), (105, 1718296), (120, 1503509), (140, 1288722), (168, 1073935), (210, 859148), (280, 644361), (420, 429574), (840, 214787)]