84431480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{911}}^1$

素因数の和:1260

約数の個数: 64

約数和(自身を含む): 218004480

約数和(自身を除く): 133573000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 331, 662, 911, 1324, 1655, 1822, 2317, 2648, 3310, 3644, 4555, 4634, 6377, 6620, 7288, 9110, 9268, 11585, 12754, 13240, 18220, 18536, 23170, 25508, 31885, 36440, 46340, 51016, 63770, 92680, 127540, 255080, 301541, 603082, 1206164, 1507705, 2110787, 2412328, 3015410, 4221574, 6030820, 8443148, 10553935, 12061640, 16886296, 21107870, 42215740, 84431480]

約数ペア:

[(1, 84431480), (2, 42215740), (4, 21107870), (5, 16886296), (7, 12061640), (8, 10553935), (10, 8443148), (14, 6030820), (20, 4221574), (28, 3015410), (35, 2412328), (40, 2110787), (56, 1507705), (70, 1206164), (140, 603082), (280, 301541), (331, 255080), (662, 127540), (911, 92680), (1324, 63770), (1655, 51016), (1822, 46340), (2317, 36440), (2648, 31885), (3310, 25508), (3644, 23170), (4555, 18536), (4634, 18220), (6377, 13240), (6620, 12754), (7288, 11585), (9110, 9268)]