27153880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{661}}^1$

素因数の和:764

約数の個数: 64

約数和(自身を含む): 66729600

約数和(自身を除く): 39575720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 79, 104, 130, 158, 260, 316, 395, 520, 632, 661, 790, 1027, 1322, 1580, 2054, 2644, 3160, 3305, 4108, 5135, 5288, 6610, 8216, 8593, 10270, 13220, 17186, 20540, 26440, 34372, 41080, 42965, 52219, 68744, 85930, 104438, 171860, 208876, 261095, 343720, 417752, 522190, 678847, 1044380, 1357694, 2088760, 2715388, 3394235, 5430776, 6788470, 13576940, 27153880]

約数ペア:

[(1, 27153880), (2, 13576940), (4, 6788470), (5, 5430776), (8, 3394235), (10, 2715388), (13, 2088760), (20, 1357694), (26, 1044380), (40, 678847), (52, 522190), (65, 417752), (79, 343720), (104, 261095), (130, 208876), (158, 171860), (260, 104438), (316, 85930), (395, 68744), (520, 52219), (632, 42965), (661, 41080), (790, 34372), (1027, 26440), (1322, 20540), (1580, 17186), (2054, 13220), (2644, 10270), (3160, 8593), (3305, 8216), (4108, 6610), (5135, 5288)]