157309040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{280909}}^1$

素因数の和:280929

約数の個数: 40

約数和(自身を含む): 417994080

約数和(自身を除く): 260685040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 280909, 561818, 1123636, 1404545, 1966363, 2247272, 2809090, 3932726, 4494544, 5618180, 7865452, 9831815, 11236360, 15730904, 19663630, 22472720, 31461808, 39327260, 78654520, 157309040]

約数ペア:

[(1, 157309040), (2, 78654520), (4, 39327260), (5, 31461808), (7, 22472720), (8, 19663630), (10, 15730904), (14, 11236360), (16, 9831815), (20, 7865452), (28, 5618180), (35, 4494544), (40, 3932726), (56, 2809090), (70, 2247272), (80, 1966363), (112, 1404545), (140, 1123636), (280, 561818), (560, 280909)]