155278320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{646993}}^1$

素因数の和:647009

約数の個数: 40

約数和(自身を含む): 481363536

約数和(自身を除く): 326085216

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 646993, 1293986, 1940979, 2587972, 3234965, 3881958, 5175944, 6469930, 7763916, 9704895, 10351888, 12939860, 15527832, 19409790, 25879720, 31055664, 38819580, 51759440, 77639160, 155278320]

約数ペア:

[(1, 155278320), (2, 77639160), (3, 51759440), (4, 38819580), (5, 31055664), (6, 25879720), (8, 19409790), (10, 15527832), (12, 12939860), (15, 10351888), (16, 9704895), (20, 7763916), (24, 6469930), (30, 5175944), (40, 3881958), (48, 3234965), (60, 2587972), (80, 1940979), (120, 1293986), (240, 646993)]