256640448

素因数分解:

$2^6\times 3^1\times {\mathrm{19}}^1\times {\mathrm{70351}}^1$

素因数の和:70385

約数の個数: 56

約数和(自身を含む): 714776320

約数和(自身を除く): 458135872

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 38, 48, 57, 64, 76, 96, 114, 152, 192, 228, 304, 456, 608, 912, 1216, 1824, 3648, 70351, 140702, 211053, 281404, 422106, 562808, 844212, 1125616, 1336669, 1688424, 2251232, 2673338, 3376848, 4010007, 4502464, 5346676, 6753696, 8020014, 10693352, 13507392, 16040028, 21386704, 32080056, 42773408, 64160112, 85546816, 128320224, 256640448]

約数ペア:

[(1, 256640448), (2, 128320224), (3, 85546816), (4, 64160112), (6, 42773408), (8, 32080056), (12, 21386704), (16, 16040028), (19, 13507392), (24, 10693352), (32, 8020014), (38, 6753696), (48, 5346676), (57, 4502464), (64, 4010007), (76, 3376848), (96, 2673338), (114, 2251232), (152, 1688424), (192, 1336669), (228, 1125616), (304, 844212), (456, 562808), (608, 422106), (912, 281404), (1216, 211053), (1824, 140702), (3648, 70351)]