88640820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{16981}}^1$

素因数の和:17025

約数の個数: 72

約数和(自身を含む): 278165160

約数和(自身を除く): 189524340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 870, 1044, 1305, 1740, 2610, 5220, 16981, 33962, 50943, 67924, 84905, 101886, 152829, 169810, 203772, 254715, 305658, 339620, 492449, 509430, 611316, 764145, 984898, 1018860, 1477347, 1528290, 1969796, 2462245, 2954694, 3056580, 4432041, 4924490, 5909388, 7386735, 8864082, 9848980, 14773470, 17728164, 22160205, 29546940, 44320410, 88640820]

約数ペア:

[(1, 88640820), (2, 44320410), (3, 29546940), (4, 22160205), (5, 17728164), (6, 14773470), (9, 9848980), (10, 8864082), (12, 7386735), (15, 5909388), (18, 4924490), (20, 4432041), (29, 3056580), (30, 2954694), (36, 2462245), (45, 1969796), (58, 1528290), (60, 1477347), (87, 1018860), (90, 984898), (116, 764145), (145, 611316), (174, 509430), (180, 492449), (261, 339620), (290, 305658), (348, 254715), (435, 203772), (522, 169810), (580, 152829), (870, 101886), (1044, 84905), (1305, 67924), (1740, 50943), (2610, 33962), (5220, 16981)]