30726560

素因数分解:

$2^5\times 5^1\times {\mathrm{181}}^1\times {\mathrm{1061}}^1$

素因数の和:1257

約数の個数: 48

約数和(自身を含む): 73061352

約数和(自身を除く): 42334792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 181, 362, 724, 905, 1061, 1448, 1810, 2122, 2896, 3620, 4244, 5305, 5792, 7240, 8488, 10610, 14480, 16976, 21220, 28960, 33952, 42440, 84880, 169760, 192041, 384082, 768164, 960205, 1536328, 1920410, 3072656, 3840820, 6145312, 7681640, 15363280, 30726560]

約数ペア:

[(1, 30726560), (2, 15363280), (4, 7681640), (5, 6145312), (8, 3840820), (10, 3072656), (16, 1920410), (20, 1536328), (32, 960205), (40, 768164), (80, 384082), (160, 192041), (181, 169760), (362, 84880), (724, 42440), (905, 33952), (1061, 28960), (1448, 21220), (1810, 16976), (2122, 14480), (2896, 10610), (3620, 8488), (4244, 7240), (5305, 5792)]