153428240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{273979}}^1$

素因数の和:273999

約数の個数: 40

約数和(自身を含む): 407682240

約数和(自身を除く): 254254000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 273979, 547958, 1095916, 1369895, 1917853, 2191832, 2739790, 3835706, 4383664, 5479580, 7671412, 9589265, 10959160, 15342824, 19178530, 21918320, 30685648, 38357060, 76714120, 153428240]

約数ペア:

[(1, 153428240), (2, 76714120), (4, 38357060), (5, 30685648), (7, 21918320), (8, 19178530), (10, 15342824), (14, 10959160), (16, 9589265), (20, 7671412), (28, 5479580), (35, 4383664), (40, 3835706), (56, 2739790), (70, 2191832), (80, 1917853), (112, 1369895), (140, 1095916), (280, 547958), (560, 273979)]