263768840

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1\times {\mathrm{379}}^1$

素因数の和:654

約数の個数: 64

約数和(自身を含む): 604108800

約数和(自身を除く): 340339960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 137, 254, 274, 379, 508, 548, 635, 685, 758, 1016, 1096, 1270, 1370, 1516, 1895, 2540, 2740, 3032, 3790, 5080, 5480, 7580, 15160, 17399, 34798, 48133, 51923, 69596, 86995, 96266, 103846, 139192, 173990, 192532, 207692, 240665, 259615, 347980, 385064, 415384, 481330, 519230, 695960, 962660, 1038460, 1925320, 2076920, 6594221, 13188442, 26376884, 32971105, 52753768, 65942210, 131884420, 263768840]

約数ペア:

[(1, 263768840), (2, 131884420), (4, 65942210), (5, 52753768), (8, 32971105), (10, 26376884), (20, 13188442), (40, 6594221), (127, 2076920), (137, 1925320), (254, 1038460), (274, 962660), (379, 695960), (508, 519230), (548, 481330), (635, 415384), (685, 385064), (758, 347980), (1016, 259615), (1096, 240665), (1270, 207692), (1370, 192532), (1516, 173990), (1895, 139192), (2540, 103846), (2740, 96266), (3032, 86995), (3790, 69596), (5080, 51923), (5480, 48133), (7580, 34798), (15160, 17399)]