256667352

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{271}}^1$

素因数の和:397

約数の個数: 128

約数和(自身を含む): 710246400

約数和(自身を除く): 453579048

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 31, 38, 57, 62, 67, 76, 93, 114, 124, 134, 152, 186, 201, 228, 248, 268, 271, 372, 402, 456, 536, 542, 589, 744, 804, 813, 1084, 1178, 1273, 1608, 1626, 1767, 2077, 2168, 2356, 2546, 3252, 3534, 3819, 4154, 4712, 5092, 5149, 6231, 6504, 7068, 7638, 8308, 8401, 10184, 10298, 12462, 14136, 15276, 15447, 16616, 16802, 18157, 20596, 24924, 25203, 30552, 30894, 33604, 36314, 39463, 41192, 49848, 50406, 54471, 61788, 67208, 72628, 78926, 100812, 108942, 118389, 123576, 145256, 157852, 159619, 201624, 217884, 236778, 315704, 319238, 344983, 435768, 473556, 478857, 562867, 638476, 689966, 947112, 957714, 1034949, 1125734, 1276952, 1379932, 1688601, 1915428, 2069898, 2251468, 2759864, 3377202, 3830856, 4139796, 4502936, 6754404, 8279592, 10694473, 13508808, 21388946, 32083419, 42777892, 64166838, 85555784, 128333676, 256667352]

約数ペア:

[(1, 256667352), (2, 128333676), (3, 85555784), (4, 64166838), (6, 42777892), (8, 32083419), (12, 21388946), (19, 13508808), (24, 10694473), (31, 8279592), (38, 6754404), (57, 4502936), (62, 4139796), (67, 3830856), (76, 3377202), (93, 2759864), (114, 2251468), (124, 2069898), (134, 1915428), (152, 1688601), (186, 1379932), (201, 1276952), (228, 1125734), (248, 1034949), (268, 957714), (271, 947112), (372, 689966), (402, 638476), (456, 562867), (536, 478857), (542, 473556), (589, 435768), (744, 344983), (804, 319238), (813, 315704), (1084, 236778), (1178, 217884), (1273, 201624), (1608, 159619), (1626, 157852), (1767, 145256), (2077, 123576), (2168, 118389), (2356, 108942), (2546, 100812), (3252, 78926), (3534, 72628), (3819, 67208), (4154, 61788), (4712, 54471), (5092, 50406), (5149, 49848), (6231, 41192), (6504, 39463), (7068, 36314), (7638, 33604), (8308, 30894), (8401, 30552), (10184, 25203), (10298, 24924), (12462, 20596), (14136, 18157), (15276, 16802), (15447, 16616)]