87740240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{156679}}^1$

素因数の和:156699

約数の個数: 40

約数和(自身を含む): 233139840

約数和(自身を除く): 145399600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 156679, 313358, 626716, 783395, 1096753, 1253432, 1566790, 2193506, 2506864, 3133580, 4387012, 5483765, 6267160, 8774024, 10967530, 12534320, 17548048, 21935060, 43870120, 87740240]

約数ペア:

[(1, 87740240), (2, 43870120), (4, 21935060), (5, 17548048), (7, 12534320), (8, 10967530), (10, 8774024), (14, 6267160), (16, 5483765), (20, 4387012), (28, 3133580), (35, 2506864), (40, 2193506), (56, 1566790), (70, 1253432), (80, 1096753), (112, 783395), (140, 626716), (280, 313358), (560, 156679)]