30781264

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{271}}^1$

素因数の和:539

約数の個数: 40

約数和(自身を含む): 62059520

約数和(自身を除く): 31278256

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 229, 248, 271, 458, 496, 542, 916, 1084, 1832, 2168, 3664, 4336, 7099, 8401, 14198, 16802, 28396, 33604, 56792, 62059, 67208, 113584, 124118, 134416, 248236, 496472, 992944, 1923829, 3847658, 7695316, 15390632, 30781264]

約数ペア:

[(1, 30781264), (2, 15390632), (4, 7695316), (8, 3847658), (16, 1923829), (31, 992944), (62, 496472), (124, 248236), (229, 134416), (248, 124118), (271, 113584), (458, 67208), (496, 62059), (542, 56792), (916, 33604), (1084, 28396), (1832, 16802), (2168, 14198), (3664, 8401), (4336, 7099)]