81920220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{36901}}^1$

素因数の和:36950

約数の個数: 48

約数和(自身を含む): 235582368

約数和(自身を除く): 153662148

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 555, 740, 1110, 2220, 36901, 73802, 110703, 147604, 184505, 221406, 369010, 442812, 553515, 738020, 1107030, 1365337, 2214060, 2730674, 4096011, 5461348, 6826685, 8192022, 13653370, 16384044, 20480055, 27306740, 40960110, 81920220]

約数ペア:

[(1, 81920220), (2, 40960110), (3, 27306740), (4, 20480055), (5, 16384044), (6, 13653370), (10, 8192022), (12, 6826685), (15, 5461348), (20, 4096011), (30, 2730674), (37, 2214060), (60, 1365337), (74, 1107030), (111, 738020), (148, 553515), (185, 442812), (222, 369010), (370, 221406), (444, 184505), (555, 147604), (740, 110703), (1110, 73802), (2220, 36901)]