31471360

素因数分解:

$2^8\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1069}}^1$

素因数の和:1113

約数の個数: 72

約数和(自身を含む): 78734880

約数和(自身を除く): 47263520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 256, 320, 368, 460, 640, 736, 920, 1069, 1280, 1472, 1840, 2138, 2944, 3680, 4276, 5345, 5888, 7360, 8552, 10690, 14720, 17104, 21380, 24587, 29440, 34208, 42760, 49174, 68416, 85520, 98348, 122935, 136832, 171040, 196696, 245870, 273664, 342080, 393392, 491740, 684160, 786784, 983480, 1368320, 1573568, 1966960, 3147136, 3933920, 6294272, 7867840, 15735680, 31471360]

約数ペア:

[(1, 31471360), (2, 15735680), (4, 7867840), (5, 6294272), (8, 3933920), (10, 3147136), (16, 1966960), (20, 1573568), (23, 1368320), (32, 983480), (40, 786784), (46, 684160), (64, 491740), (80, 393392), (92, 342080), (115, 273664), (128, 245870), (160, 196696), (184, 171040), (230, 136832), (256, 122935), (320, 98348), (368, 85520), (460, 68416), (640, 49174), (736, 42760), (920, 34208), (1069, 29440), (1280, 24587), (1472, 21380), (1840, 17104), (2138, 14720), (2944, 10690), (3680, 8552), (4276, 7360), (5345, 5888)]