161966976

素因数分解:

$2^7\times 3^1\times {\mathrm{211}}^1\times {\mathrm{1999}}^1$

素因数の和:2227

約数の個数: 64

約数和(自身を含む): 432480000

約数和(自身を除く): 270513024

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 211, 384, 422, 633, 844, 1266, 1688, 1999, 2532, 3376, 3998, 5064, 5997, 6752, 7996, 10128, 11994, 13504, 15992, 20256, 23988, 27008, 31984, 40512, 47976, 63968, 81024, 95952, 127936, 191904, 255872, 383808, 421789, 767616, 843578, 1265367, 1687156, 2530734, 3374312, 5061468, 6748624, 10122936, 13497248, 20245872, 26994496, 40491744, 53988992, 80983488, 161966976]

約数ペア:

[(1, 161966976), (2, 80983488), (3, 53988992), (4, 40491744), (6, 26994496), (8, 20245872), (12, 13497248), (16, 10122936), (24, 6748624), (32, 5061468), (48, 3374312), (64, 2530734), (96, 1687156), (128, 1265367), (192, 843578), (211, 767616), (384, 421789), (422, 383808), (633, 255872), (844, 191904), (1266, 127936), (1688, 95952), (1999, 81024), (2532, 63968), (3376, 47976), (3998, 40512), (5064, 31984), (5997, 27008), (6752, 23988), (7996, 20256), (10128, 15992), (11994, 13504)]