256178544

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{1609}}^1$

素因数の和:1758

約数の個数: 80

約数和(自身を含む): 689955840

約数和(自身を除く): 433777296

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 62, 93, 107, 124, 186, 214, 248, 321, 372, 428, 496, 642, 744, 856, 1284, 1488, 1609, 1712, 2568, 3218, 3317, 4827, 5136, 6436, 6634, 9654, 9951, 12872, 13268, 19308, 19902, 25744, 26536, 38616, 39804, 49879, 53072, 77232, 79608, 99758, 149637, 159216, 172163, 199516, 299274, 344326, 399032, 516489, 598548, 688652, 798064, 1032978, 1197096, 1377304, 2065956, 2394192, 2754608, 4131912, 5337053, 8263824, 10674106, 16011159, 21348212, 32022318, 42696424, 64044636, 85392848, 128089272, 256178544]

約数ペア:

[(1, 256178544), (2, 128089272), (3, 85392848), (4, 64044636), (6, 42696424), (8, 32022318), (12, 21348212), (16, 16011159), (24, 10674106), (31, 8263824), (48, 5337053), (62, 4131912), (93, 2754608), (107, 2394192), (124, 2065956), (186, 1377304), (214, 1197096), (248, 1032978), (321, 798064), (372, 688652), (428, 598548), (496, 516489), (642, 399032), (744, 344326), (856, 299274), (1284, 199516), (1488, 172163), (1609, 159216), (1712, 149637), (2568, 99758), (3218, 79608), (3317, 77232), (4827, 53072), (5136, 49879), (6436, 39804), (6634, 38616), (9654, 26536), (9951, 25744), (12872, 19902), (13268, 19308)]