180978858

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:280

約数の個数: 96

約数和(自身を含む): 426995712

約数和(自身を除く): 246016854

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 47, 69, 71, 94, 131, 138, 141, 142, 207, 213, 262, 282, 393, 414, 423, 426, 639, 786, 846, 1081, 1179, 1278, 1633, 2162, 2358, 3013, 3243, 3266, 3337, 4899, 6026, 6157, 6486, 6674, 9039, 9301, 9729, 9798, 10011, 12314, 14697, 18078, 18471, 18602, 19458, 20022, 27117, 27903, 29394, 30033, 36942, 54234, 55413, 55806, 60066, 76751, 83709, 110826, 141611, 153502, 167418, 213923, 230253, 283222, 424833, 427846, 437147, 460506, 641769, 690759, 849666, 874294, 1274499, 1283538, 1311441, 1381518, 1925307, 2548998, 2622882, 3850614, 3934323, 7868646, 10054381, 20108762, 30163143, 60326286, 90489429, 180978858]

約数ペア:

[(1, 180978858), (2, 90489429), (3, 60326286), (6, 30163143), (9, 20108762), (18, 10054381), (23, 7868646), (46, 3934323), (47, 3850614), (69, 2622882), (71, 2548998), (94, 1925307), (131, 1381518), (138, 1311441), (141, 1283538), (142, 1274499), (207, 874294), (213, 849666), (262, 690759), (282, 641769), (393, 460506), (414, 437147), (423, 427846), (426, 424833), (639, 283222), (786, 230253), (846, 213923), (1081, 167418), (1179, 153502), (1278, 141611), (1633, 110826), (2162, 83709), (2358, 76751), (3013, 60066), (3243, 55806), (3266, 55413), (3337, 54234), (4899, 36942), (6026, 30033), (6157, 29394), (6486, 27903), (6674, 27117), (9039, 20022), (9301, 19458), (9729, 18602), (9798, 18471), (10011, 18078), (12314, 14697)]