156907840

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{21319}}^1$

素因数の和:21359

約数の個数: 56

約数和(自身を含む): 389900160

約数和(自身を除く): 232992320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 160, 184, 230, 320, 368, 460, 736, 920, 1472, 1840, 3680, 7360, 21319, 42638, 85276, 106595, 170552, 213190, 341104, 426380, 490337, 682208, 852760, 980674, 1364416, 1705520, 1961348, 2451685, 3411040, 3922696, 4903370, 6822080, 7845392, 9806740, 15690784, 19613480, 31381568, 39226960, 78453920, 156907840]

約数ペア:

[(1, 156907840), (2, 78453920), (4, 39226960), (5, 31381568), (8, 19613480), (10, 15690784), (16, 9806740), (20, 7845392), (23, 6822080), (32, 4903370), (40, 3922696), (46, 3411040), (64, 2451685), (80, 1961348), (92, 1705520), (115, 1364416), (160, 980674), (184, 852760), (230, 682208), (320, 490337), (368, 426380), (460, 341104), (736, 213190), (920, 170552), (1472, 106595), (1840, 85276), (3680, 42638), (7360, 21319)]