168605080

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{12289}}^1$

素因数の和:12321

約数の個数: 64

約数和(自身を含む): 442440000

約数和(自身を除く): 273834920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1715, 1960, 2744, 3430, 6860, 12289, 13720, 24578, 49156, 61445, 86023, 98312, 122890, 172046, 245780, 344092, 430115, 491560, 602161, 688184, 860230, 1204322, 1720460, 2408644, 3010805, 3440920, 4215127, 4817288, 6021610, 8430254, 12043220, 16860508, 21075635, 24086440, 33721016, 42151270, 84302540, 168605080]

約数ペア:

[(1, 168605080), (2, 84302540), (4, 42151270), (5, 33721016), (7, 24086440), (8, 21075635), (10, 16860508), (14, 12043220), (20, 8430254), (28, 6021610), (35, 4817288), (40, 4215127), (49, 3440920), (56, 3010805), (70, 2408644), (98, 1720460), (140, 1204322), (196, 860230), (245, 688184), (280, 602161), (343, 491560), (392, 430115), (490, 344092), (686, 245780), (980, 172046), (1372, 122890), (1715, 98312), (1960, 86023), (2744, 61445), (3430, 49156), (6860, 24578), (12289, 13720)]