155995280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{278563}}^1$

素因数の和:278583

約数の個数: 40

約数和(自身を含む): 414503232

約数和(自身を除く): 258507952

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 278563, 557126, 1114252, 1392815, 1949941, 2228504, 2785630, 3899882, 4457008, 5571260, 7799764, 9749705, 11142520, 15599528, 19499410, 22285040, 31199056, 38998820, 77997640, 155995280]

約数ペア:

[(1, 155995280), (2, 77997640), (4, 38998820), (5, 31199056), (7, 22285040), (8, 19499410), (10, 15599528), (14, 11142520), (16, 9749705), (20, 7799764), (28, 5571260), (35, 4457008), (40, 3899882), (56, 2785630), (70, 2228504), (80, 1949941), (112, 1392815), (140, 1114252), (280, 557126), (560, 278563)]