316916320

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{40423}}^1$

素因数の和:40452

約数の個数: 72

約数和(自身を含む): 870975504

約数和(自身を除く): 554059184

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 40423, 80846, 161692, 202115, 282961, 323384, 404230, 565922, 646768, 808460, 1131844, 1293536, 1414805, 1616920, 1980727, 2263688, 2829610, 3233840, 3961454, 4527376, 5659220, 6467680, 7922908, 9054752, 9903635, 11318440, 15845816, 19807270, 22636880, 31691632, 39614540, 45273760, 63383264, 79229080, 158458160, 316916320]

約数ペア:

[(1, 316916320), (2, 158458160), (4, 79229080), (5, 63383264), (7, 45273760), (8, 39614540), (10, 31691632), (14, 22636880), (16, 19807270), (20, 15845816), (28, 11318440), (32, 9903635), (35, 9054752), (40, 7922908), (49, 6467680), (56, 5659220), (70, 4527376), (80, 3961454), (98, 3233840), (112, 2829610), (140, 2263688), (160, 1980727), (196, 1616920), (224, 1414805), (245, 1293536), (280, 1131844), (392, 808460), (490, 646768), (560, 565922), (784, 404230), (980, 323384), (1120, 282961), (1568, 202115), (1960, 161692), (3920, 80846), (7840, 40423)]