1491032720

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{114343}}^1$

素因数の和:114519

約数の個数: 40

約数和(自身を含む): 3487949376

約数和(自身を除く): 1996916656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 326, 652, 815, 1304, 1630, 2608, 3260, 6520, 13040, 114343, 228686, 457372, 571715, 914744, 1143430, 1829488, 2286860, 4573720, 9147440, 18637909, 37275818, 74551636, 93189545, 149103272, 186379090, 298206544, 372758180, 745516360, 1491032720]

約数ペア:

[(1, 1491032720), (2, 745516360), (4, 372758180), (5, 298206544), (8, 186379090), (10, 149103272), (16, 93189545), (20, 74551636), (40, 37275818), (80, 18637909), (163, 9147440), (326, 4573720), (652, 2286860), (815, 1829488), (1304, 1143430), (1630, 914744), (2608, 571715), (3260, 457372), (6520, 228686), (13040, 114343)]