25641240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1361}}^1$

素因数の和:1532

約数の個数: 64

約数和(自身を含む): 77470560

約数和(自身を除く): 51829320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 157, 314, 471, 628, 785, 942, 1256, 1361, 1570, 1884, 2355, 2722, 3140, 3768, 4083, 4710, 5444, 6280, 6805, 8166, 9420, 10888, 13610, 16332, 18840, 20415, 27220, 32664, 40830, 54440, 81660, 163320, 213677, 427354, 641031, 854708, 1068385, 1282062, 1709416, 2136770, 2564124, 3205155, 4273540, 5128248, 6410310, 8547080, 12820620, 25641240]

約数ペア:

[(1, 25641240), (2, 12820620), (3, 8547080), (4, 6410310), (5, 5128248), (6, 4273540), (8, 3205155), (10, 2564124), (12, 2136770), (15, 1709416), (20, 1282062), (24, 1068385), (30, 854708), (40, 641031), (60, 427354), (120, 213677), (157, 163320), (314, 81660), (471, 54440), (628, 40830), (785, 32664), (942, 27220), (1256, 20415), (1361, 18840), (1570, 16332), (1884, 13610), (2355, 10888), (2722, 9420), (3140, 8166), (3768, 6805), (4083, 6280), (4710, 5444)]