81280368

素因数分解:

$2^4\times 3^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{353}}^1$

素因数の和:424

約数の個数: 160

約数和(自身を含む): 258108480

約数和(自身を除く): 176828112

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 36, 39, 41, 48, 52, 54, 72, 78, 82, 104, 108, 117, 123, 144, 156, 164, 208, 216, 234, 246, 312, 328, 351, 353, 369, 432, 468, 492, 533, 624, 656, 702, 706, 738, 936, 984, 1059, 1066, 1107, 1404, 1412, 1476, 1599, 1872, 1968, 2118, 2132, 2214, 2808, 2824, 2952, 3177, 3198, 4236, 4264, 4428, 4589, 4797, 5616, 5648, 5904, 6354, 6396, 8472, 8528, 8856, 9178, 9531, 9594, 12708, 12792, 13767, 14391, 14473, 16944, 17712, 18356, 19062, 19188, 25416, 25584, 27534, 28782, 28946, 36712, 38124, 38376, 41301, 43419, 50832, 55068, 57564, 57892, 73424, 76248, 76752, 82602, 86838, 110136, 115128, 115784, 123903, 130257, 152496, 165204, 173676, 188149, 220272, 230256, 231568, 247806, 260514, 330408, 347352, 376298, 390771, 495612, 521028, 564447, 660816, 694704, 752596, 781542, 991224, 1042056, 1128894, 1505192, 1563084, 1693341, 1982448, 2084112, 2257788, 3010384, 3126168, 3386682, 4515576, 5080023, 6252336, 6773364, 9031152, 10160046, 13546728, 20320092, 27093456, 40640184, 81280368]

約数ペア:

[(1, 81280368), (2, 40640184), (3, 27093456), (4, 20320092), (6, 13546728), (8, 10160046), (9, 9031152), (12, 6773364), (13, 6252336), (16, 5080023), (18, 4515576), (24, 3386682), (26, 3126168), (27, 3010384), (36, 2257788), (39, 2084112), (41, 1982448), (48, 1693341), (52, 1563084), (54, 1505192), (72, 1128894), (78, 1042056), (82, 991224), (104, 781542), (108, 752596), (117, 694704), (123, 660816), (144, 564447), (156, 521028), (164, 495612), (208, 390771), (216, 376298), (234, 347352), (246, 330408), (312, 260514), (328, 247806), (351, 231568), (353, 230256), (369, 220272), (432, 188149), (468, 173676), (492, 165204), (533, 152496), (624, 130257), (656, 123903), (702, 115784), (706, 115128), (738, 110136), (936, 86838), (984, 82602), (1059, 76752), (1066, 76248), (1107, 73424), (1404, 57892), (1412, 57564), (1476, 55068), (1599, 50832), (1872, 43419), (1968, 41301), (2118, 38376), (2132, 38124), (2214, 36712), (2808, 28946), (2824, 28782), (2952, 27534), (3177, 25584), (3198, 25416), (4236, 19188), (4264, 19062), (4428, 18356), (4589, 17712), (4797, 16944), (5616, 14473), (5648, 14391), (5904, 13767), (6354, 12792), (6396, 12708), (8472, 9594), (8528, 9531), (8856, 9178)]