256310352

素因数分解:

$2^4\times 3^3\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{499}}^1$

素因数の和:586

約数の個数: 160

約数和(自身を含む): 781200000

約数和(自身を除く): 524889648

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 29, 36, 41, 48, 54, 58, 72, 82, 87, 108, 116, 123, 144, 164, 174, 216, 232, 246, 261, 328, 348, 369, 432, 464, 492, 499, 522, 656, 696, 738, 783, 984, 998, 1044, 1107, 1189, 1392, 1476, 1497, 1566, 1968, 1996, 2088, 2214, 2378, 2952, 2994, 3132, 3567, 3992, 4176, 4428, 4491, 4756, 5904, 5988, 6264, 7134, 7984, 8856, 8982, 9512, 10701, 11976, 12528, 13473, 14268, 14471, 17712, 17964, 19024, 20459, 21402, 23952, 26946, 28536, 28942, 32103, 35928, 40918, 42804, 43413, 53892, 57072, 57884, 61377, 64206, 71856, 81836, 85608, 86826, 107784, 115768, 122754, 128412, 130239, 163672, 171216, 173652, 184131, 215568, 231536, 245508, 256824, 260478, 327344, 347304, 368262, 390717, 491016, 513648, 520956, 552393, 593311, 694608, 736524, 781434, 982032, 1041912, 1104786, 1186622, 1473048, 1562868, 1779933, 2083824, 2209572, 2373244, 2946096, 3125736, 3559866, 4419144, 4746488, 5339799, 6251472, 7119732, 8838288, 9492976, 10679598, 14239464, 16019397, 21359196, 28478928, 32038794, 42718392, 64077588, 85436784, 128155176, 256310352]

約数ペア:

[(1, 256310352), (2, 128155176), (3, 85436784), (4, 64077588), (6, 42718392), (8, 32038794), (9, 28478928), (12, 21359196), (16, 16019397), (18, 14239464), (24, 10679598), (27, 9492976), (29, 8838288), (36, 7119732), (41, 6251472), (48, 5339799), (54, 4746488), (58, 4419144), (72, 3559866), (82, 3125736), (87, 2946096), (108, 2373244), (116, 2209572), (123, 2083824), (144, 1779933), (164, 1562868), (174, 1473048), (216, 1186622), (232, 1104786), (246, 1041912), (261, 982032), (328, 781434), (348, 736524), (369, 694608), (432, 593311), (464, 552393), (492, 520956), (499, 513648), (522, 491016), (656, 390717), (696, 368262), (738, 347304), (783, 327344), (984, 260478), (998, 256824), (1044, 245508), (1107, 231536), (1189, 215568), (1392, 184131), (1476, 173652), (1497, 171216), (1566, 163672), (1968, 130239), (1996, 128412), (2088, 122754), (2214, 115768), (2378, 107784), (2952, 86826), (2994, 85608), (3132, 81836), (3567, 71856), (3992, 64206), (4176, 61377), (4428, 57884), (4491, 57072), (4756, 53892), (5904, 43413), (5988, 42804), (6264, 40918), (7134, 35928), (7984, 32103), (8856, 28942), (8982, 28536), (9512, 26946), (10701, 23952), (11976, 21402), (12528, 20459), (13473, 19024), (14268, 17964), (14471, 17712)]