1666702520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{45439}}^1$

素因数の和:45588

約数の個数: 64

約数和(自身を含む): 4318617600

約数和(自身を除く): 2651915080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 131, 140, 262, 280, 524, 655, 917, 1048, 1310, 1834, 2620, 3668, 4585, 5240, 7336, 9170, 18340, 36680, 45439, 90878, 181756, 227195, 318073, 363512, 454390, 636146, 908780, 1272292, 1590365, 1817560, 2544584, 3180730, 5952509, 6361460, 11905018, 12722920, 23810036, 29762545, 41667563, 47620072, 59525090, 83335126, 119050180, 166670252, 208337815, 238100360, 333340504, 416675630, 833351260, 1666702520]

約数ペア:

[(1, 1666702520), (2, 833351260), (4, 416675630), (5, 333340504), (7, 238100360), (8, 208337815), (10, 166670252), (14, 119050180), (20, 83335126), (28, 59525090), (35, 47620072), (40, 41667563), (56, 29762545), (70, 23810036), (131, 12722920), (140, 11905018), (262, 6361460), (280, 5952509), (524, 3180730), (655, 2544584), (917, 1817560), (1048, 1590365), (1310, 1272292), (1834, 908780), (2620, 636146), (3668, 454390), (4585, 363512), (5240, 318073), (7336, 227195), (9170, 181756), (18340, 90878), (36680, 45439)]