156919040

素因数分解:

$2^8\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2851}}^1$

素因数の和:2915

約数の個数: 72

約数和(自身を含む): 384746208

約数和(自身を除く): 227827168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 256, 320, 344, 430, 640, 688, 860, 1280, 1376, 1720, 2752, 2851, 3440, 5504, 5702, 6880, 11008, 11404, 13760, 14255, 22808, 27520, 28510, 45616, 55040, 57020, 91232, 114040, 122593, 182464, 228080, 245186, 364928, 456160, 490372, 612965, 729856, 912320, 980744, 1225930, 1824640, 1961488, 2451860, 3649280, 3922976, 4903720, 7845952, 9807440, 15691904, 19614880, 31383808, 39229760, 78459520, 156919040]

約数ペア:

[(1, 156919040), (2, 78459520), (4, 39229760), (5, 31383808), (8, 19614880), (10, 15691904), (16, 9807440), (20, 7845952), (32, 4903720), (40, 3922976), (43, 3649280), (64, 2451860), (80, 1961488), (86, 1824640), (128, 1225930), (160, 980744), (172, 912320), (215, 729856), (256, 612965), (320, 490372), (344, 456160), (430, 364928), (640, 245186), (688, 228080), (860, 182464), (1280, 122593), (1376, 114040), (1720, 91232), (2752, 57020), (2851, 55040), (3440, 45616), (5504, 28510), (5702, 27520), (6880, 22808), (11008, 14255), (11404, 13760)]