279901728

素因数分解:

$2^5\times 3^2\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{293}}^1$

素因数の和:447

約数の個数: 144

約数和(自身を含む): 832156416

約数和(自身を除く): 552254688

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 72, 93, 96, 107, 124, 144, 186, 214, 248, 279, 288, 293, 321, 372, 428, 496, 558, 586, 642, 744, 856, 879, 963, 992, 1116, 1172, 1284, 1488, 1712, 1758, 1926, 2232, 2344, 2568, 2637, 2976, 3317, 3424, 3516, 3852, 4464, 4688, 5136, 5274, 6634, 7032, 7704, 8928, 9083, 9376, 9951, 10272, 10548, 13268, 14064, 15408, 18166, 19902, 21096, 26536, 27249, 28128, 29853, 30816, 31351, 36332, 39804, 42192, 53072, 54498, 59706, 62702, 72664, 79608, 81747, 84384, 94053, 106144, 108996, 119412, 125404, 145328, 159216, 163494, 188106, 217992, 238824, 250808, 282159, 290656, 318432, 326988, 376212, 435984, 477648, 501616, 564318, 653976, 752424, 871968, 955296, 971881, 1003232, 1128636, 1307952, 1504848, 1943762, 2257272, 2615904, 2915643, 3009696, 3887524, 4514544, 5831286, 7775048, 8746929, 9029088, 11662572, 15550096, 17493858, 23325144, 31100192, 34987716, 46650288, 69975432, 93300576, 139950864, 279901728]

約数ペア:

[(1, 279901728), (2, 139950864), (3, 93300576), (4, 69975432), (6, 46650288), (8, 34987716), (9, 31100192), (12, 23325144), (16, 17493858), (18, 15550096), (24, 11662572), (31, 9029088), (32, 8746929), (36, 7775048), (48, 5831286), (62, 4514544), (72, 3887524), (93, 3009696), (96, 2915643), (107, 2615904), (124, 2257272), (144, 1943762), (186, 1504848), (214, 1307952), (248, 1128636), (279, 1003232), (288, 971881), (293, 955296), (321, 871968), (372, 752424), (428, 653976), (496, 564318), (558, 501616), (586, 477648), (642, 435984), (744, 376212), (856, 326988), (879, 318432), (963, 290656), (992, 282159), (1116, 250808), (1172, 238824), (1284, 217992), (1488, 188106), (1712, 163494), (1758, 159216), (1926, 145328), (2232, 125404), (2344, 119412), (2568, 108996), (2637, 106144), (2976, 94053), (3317, 84384), (3424, 81747), (3516, 79608), (3852, 72664), (4464, 62702), (4688, 59706), (5136, 54498), (5274, 53072), (6634, 42192), (7032, 39804), (7704, 36332), (8928, 31351), (9083, 30816), (9376, 29853), (9951, 28128), (10272, 27249), (10548, 26536), (13268, 21096), (14064, 19902), (15408, 18166)]