640147224

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1\times {\mathrm{4127}}^1$

素因数の和:4440

約数の個数: 64

約数和(自身を含む): 1676298240

約数和(自身を除く): 1036151016

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 69, 92, 138, 184, 276, 281, 552, 562, 843, 1124, 1686, 2248, 3372, 4127, 6463, 6744, 8254, 12381, 12926, 16508, 19389, 24762, 25852, 33016, 38778, 49524, 51704, 77556, 94921, 99048, 155112, 189842, 284763, 379684, 569526, 759368, 1139052, 1159687, 2278104, 2319374, 3479061, 4638748, 6958122, 9277496, 13916244, 26672801, 27832488, 53345602, 80018403, 106691204, 160036806, 213382408, 320073612, 640147224]

約数ペア:

[(1, 640147224), (2, 320073612), (3, 213382408), (4, 160036806), (6, 106691204), (8, 80018403), (12, 53345602), (23, 27832488), (24, 26672801), (46, 13916244), (69, 9277496), (92, 6958122), (138, 4638748), (184, 3479061), (276, 2319374), (281, 2278104), (552, 1159687), (562, 1139052), (843, 759368), (1124, 569526), (1686, 379684), (2248, 284763), (3372, 189842), (4127, 155112), (6463, 99048), (6744, 94921), (8254, 77556), (12381, 51704), (12926, 49524), (16508, 38778), (19389, 33016), (24762, 25852)]