31468860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2213}}^1$

素因数の和:2307

約数の個数: 72

約数和(自身を含む): 96707520

約数和(自身を除く): 65238660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 79, 90, 158, 180, 237, 316, 395, 474, 711, 790, 948, 1185, 1422, 1580, 2213, 2370, 2844, 3555, 4426, 4740, 6639, 7110, 8852, 11065, 13278, 14220, 19917, 22130, 26556, 33195, 39834, 44260, 66390, 79668, 99585, 132780, 174827, 199170, 349654, 398340, 524481, 699308, 874135, 1048962, 1573443, 1748270, 2097924, 2622405, 3146886, 3496540, 5244810, 6293772, 7867215, 10489620, 15734430, 31468860]

約数ペア:

[(1, 31468860), (2, 15734430), (3, 10489620), (4, 7867215), (5, 6293772), (6, 5244810), (9, 3496540), (10, 3146886), (12, 2622405), (15, 2097924), (18, 1748270), (20, 1573443), (30, 1048962), (36, 874135), (45, 699308), (60, 524481), (79, 398340), (90, 349654), (158, 199170), (180, 174827), (237, 132780), (316, 99585), (395, 79668), (474, 66390), (711, 44260), (790, 39834), (948, 33195), (1185, 26556), (1422, 22130), (1580, 19917), (2213, 14220), (2370, 13278), (2844, 11065), (3555, 8852), (4426, 7110), (4740, 6639)]