128478816

素因数分解:

$2^5\times 3^2\times {\mathrm{29}}^1\times {\mathrm{15383}}^1$

素因数の和:15428

約数の個数: 72

約数和(自身を含む): 377984880

約数和(自身を除く): 249506064

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 32, 36, 48, 58, 72, 87, 96, 116, 144, 174, 232, 261, 288, 348, 464, 522, 696, 928, 1044, 1392, 2088, 2784, 4176, 8352, 15383, 30766, 46149, 61532, 92298, 123064, 138447, 184596, 246128, 276894, 369192, 446107, 492256, 553788, 738384, 892214, 1107576, 1338321, 1476768, 1784428, 2215152, 2676642, 3568856, 4014963, 4430304, 5353284, 7137712, 8029926, 10706568, 14275424, 16059852, 21413136, 32119704, 42826272, 64239408, 128478816]

約数ペア:

[(1, 128478816), (2, 64239408), (3, 42826272), (4, 32119704), (6, 21413136), (8, 16059852), (9, 14275424), (12, 10706568), (16, 8029926), (18, 7137712), (24, 5353284), (29, 4430304), (32, 4014963), (36, 3568856), (48, 2676642), (58, 2215152), (72, 1784428), (87, 1476768), (96, 1338321), (116, 1107576), (144, 892214), (174, 738384), (232, 553788), (261, 492256), (288, 446107), (348, 369192), (464, 276894), (522, 246128), (696, 184596), (928, 138447), (1044, 123064), (1392, 92298), (2088, 61532), (2784, 46149), (4176, 30766), (8352, 15383)]