18916320

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{39409}}^1$

素因数の和:39427

約数の個数: 48

約数和(自身を含む): 59587920

約数和(自身を除く): 40671600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 39409, 78818, 118227, 157636, 197045, 236454, 315272, 394090, 472908, 591135, 630544, 788180, 945816, 1182270, 1261088, 1576360, 1891632, 2364540, 3152720, 3783264, 4729080, 6305440, 9458160, 18916320]

約数ペア:

[(1, 18916320), (2, 9458160), (3, 6305440), (4, 4729080), (5, 3783264), (6, 3152720), (8, 2364540), (10, 1891632), (12, 1576360), (15, 1261088), (16, 1182270), (20, 945816), (24, 788180), (30, 630544), (32, 591135), (40, 472908), (48, 394090), (60, 315272), (80, 236454), (96, 197045), (120, 157636), (160, 118227), (240, 78818), (480, 39409)]