7215720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{383}}^1$

素因数の和:554

約数の個数: 64

約数和(自身を含む): 21841920

約数和(自身を除く): 14626200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 157, 314, 383, 471, 628, 766, 785, 942, 1149, 1256, 1532, 1570, 1884, 1915, 2298, 2355, 3064, 3140, 3768, 3830, 4596, 4710, 5745, 6280, 7660, 9192, 9420, 11490, 15320, 18840, 22980, 45960, 60131, 120262, 180393, 240524, 300655, 360786, 481048, 601310, 721572, 901965, 1202620, 1443144, 1803930, 2405240, 3607860, 7215720]

約数ペア:

[(1, 7215720), (2, 3607860), (3, 2405240), (4, 1803930), (5, 1443144), (6, 1202620), (8, 901965), (10, 721572), (12, 601310), (15, 481048), (20, 360786), (24, 300655), (30, 240524), (40, 180393), (60, 120262), (120, 60131), (157, 45960), (314, 22980), (383, 18840), (471, 15320), (628, 11490), (766, 9420), (785, 9192), (942, 7660), (1149, 6280), (1256, 5745), (1532, 4710), (1570, 4596), (1884, 3830), (1915, 3768), (2298, 3140), (2355, 3064)]