81454740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{8647}}^1$

素因数の和:8816

約数の個数: 48

約数和(自身を含む): 229552512

約数和(自身を除く): 148097772

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 157, 314, 471, 628, 785, 942, 1570, 1884, 2355, 3140, 4710, 8647, 9420, 17294, 25941, 34588, 43235, 51882, 86470, 103764, 129705, 172940, 259410, 518820, 1357579, 2715158, 4072737, 5430316, 6787895, 8145474, 13575790, 16290948, 20363685, 27151580, 40727370, 81454740]

約数ペア:

[(1, 81454740), (2, 40727370), (3, 27151580), (4, 20363685), (5, 16290948), (6, 13575790), (10, 8145474), (12, 6787895), (15, 5430316), (20, 4072737), (30, 2715158), (60, 1357579), (157, 518820), (314, 259410), (471, 172940), (628, 129705), (785, 103764), (942, 86470), (1570, 51882), (1884, 43235), (2355, 34588), (3140, 25941), (4710, 17294), (8647, 9420)]