15678835720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2707}}^1\times {\mathrm{7621}}^1$

素因数の和:10358

約数の個数: 64

約数和(自身を含む): 37152676800

約数和(自身を除く): 21473841080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 2707, 5414, 7621, 10828, 13535, 15242, 21656, 27070, 30484, 38105, 51433, 54140, 60968, 76210, 102866, 108280, 144799, 152420, 205732, 257165, 289598, 304840, 411464, 514330, 579196, 723995, 1028660, 1158392, 1447990, 2057320, 2895980, 5791960, 20630047, 41260094, 82520188, 103150235, 165040376, 206300470, 391970893, 412600940, 783941786, 825201880, 1567883572, 1959854465, 3135767144, 3919708930, 7839417860, 15678835720]

約数ペア:

[(1, 15678835720), (2, 7839417860), (4, 3919708930), (5, 3135767144), (8, 1959854465), (10, 1567883572), (19, 825201880), (20, 783941786), (38, 412600940), (40, 391970893), (76, 206300470), (95, 165040376), (152, 103150235), (190, 82520188), (380, 41260094), (760, 20630047), (2707, 5791960), (5414, 2895980), (7621, 2057320), (10828, 1447990), (13535, 1158392), (15242, 1028660), (21656, 723995), (27070, 579196), (30484, 514330), (38105, 411464), (51433, 304840), (54140, 289598), (60968, 257165), (76210, 205732), (102866, 152420), (108280, 144799)]