15661855815

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{311}}^1\times {\mathrm{479}}^1$

素因数の和:1004

約数の個数: 64

約数和(自身を含む): 25936035840

約数和(自身を除く): 10274180025

約数列:

[1, 3, 5, 15, 43, 129, 163, 215, 311, 479, 489, 645, 815, 933, 1437, 1555, 2395, 2445, 4665, 7009, 7185, 13373, 20597, 21027, 35045, 40119, 50693, 61791, 66865, 78077, 102985, 105135, 148969, 152079, 200595, 234231, 253465, 308955, 390385, 446907, 744845, 760395, 1171155, 2179799, 2234535, 3357311, 6405667, 6539397, 10071933, 10898995, 16786555, 19217001, 24281947, 32028335, 32696985, 50359665, 72845841, 96085005, 121409735, 364229205, 1044123721, 3132371163, 5220618605, 15661855815]

約数ペア:

[(1, 15661855815), (3, 5220618605), (5, 3132371163), (15, 1044123721), (43, 364229205), (129, 121409735), (163, 96085005), (215, 72845841), (311, 50359665), (479, 32696985), (489, 32028335), (645, 24281947), (815, 19217001), (933, 16786555), (1437, 10898995), (1555, 10071933), (2395, 6539397), (2445, 6405667), (4665, 3357311), (7009, 2234535), (7185, 2179799), (13373, 1171155), (20597, 760395), (21027, 744845), (35045, 446907), (40119, 390385), (50693, 308955), (61791, 253465), (66865, 234231), (78077, 200595), (102985, 152079), (105135, 148969)]