128515872

素因数分解:

$2^5\times 3^1\times {\mathrm{83}}^1\times {\mathrm{127}}^2$

素因数の和:350

約数の個数: 72

約数和(自身を含む): 344128176

約数和(自身を除く): 215612304

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 83, 96, 127, 166, 249, 254, 332, 381, 498, 508, 664, 762, 996, 1016, 1328, 1524, 1992, 2032, 2656, 3048, 3984, 4064, 6096, 7968, 10541, 12192, 16129, 21082, 31623, 32258, 42164, 48387, 63246, 64516, 84328, 96774, 126492, 129032, 168656, 193548, 252984, 258064, 337312, 387096, 505968, 516128, 774192, 1011936, 1338707, 1548384, 2677414, 4016121, 5354828, 8032242, 10709656, 16064484, 21419312, 32128968, 42838624, 64257936, 128515872]

約数ペア:

[(1, 128515872), (2, 64257936), (3, 42838624), (4, 32128968), (6, 21419312), (8, 16064484), (12, 10709656), (16, 8032242), (24, 5354828), (32, 4016121), (48, 2677414), (83, 1548384), (96, 1338707), (127, 1011936), (166, 774192), (249, 516128), (254, 505968), (332, 387096), (381, 337312), (498, 258064), (508, 252984), (664, 193548), (762, 168656), (996, 129032), (1016, 126492), (1328, 96774), (1524, 84328), (1992, 64516), (2032, 63246), (2656, 48387), (3048, 42164), (3984, 32258), (4064, 31623), (6096, 21082), (7968, 16129), (10541, 12192)]