131985990

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{2999}}^1$

素因数の和:3178

約数の個数: 64

約数和(自身を含む): 354240000

約数和(自身を除く): 222254010

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 163, 270, 326, 489, 815, 978, 1467, 1630, 2445, 2934, 2999, 4401, 4890, 5998, 7335, 8802, 8997, 14670, 14995, 17994, 22005, 26991, 29990, 44010, 44985, 53982, 80973, 89970, 134955, 161946, 269910, 404865, 488837, 809730, 977674, 1466511, 2444185, 2933022, 4399533, 4888370, 7332555, 8799066, 13198599, 14665110, 21997665, 26397198, 43995330, 65992995, 131985990]

約数ペア:

[(1, 131985990), (2, 65992995), (3, 43995330), (5, 26397198), (6, 21997665), (9, 14665110), (10, 13198599), (15, 8799066), (18, 7332555), (27, 4888370), (30, 4399533), (45, 2933022), (54, 2444185), (90, 1466511), (135, 977674), (163, 809730), (270, 488837), (326, 404865), (489, 269910), (815, 161946), (978, 134955), (1467, 89970), (1630, 80973), (2445, 53982), (2934, 44985), (2999, 44010), (4401, 29990), (4890, 26991), (5998, 22005), (7335, 17994), (8802, 14995), (8997, 14670)]