15679968094820

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{661}}^1\times {\mathrm{8657513}}^1$

素因数の和:8658320

約数の個数: 48

約数和(自身を含む): 33218465657328

約数和(自身を除く): 17538497562508

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 661, 685, 1322, 1370, 2644, 2740, 3305, 6610, 13220, 90557, 181114, 362228, 452785, 905570, 1811140, 8657513, 17315026, 34630052, 43287565, 86575130, 173150260, 1186079281, 2372158562, 4744317124, 5722616093, 5930396405, 11445232186, 11860792810, 22890464372, 23721585620, 28613080465, 57226160930, 114452321860, 783998404741, 1567996809482, 3135993618964, 3919992023705, 7839984047410, 15679968094820]

約数ペア:

[(1, 15679968094820), (2, 7839984047410), (4, 3919992023705), (5, 3135993618964), (10, 1567996809482), (20, 783998404741), (137, 114452321860), (274, 57226160930), (548, 28613080465), (661, 23721585620), (685, 22890464372), (1322, 11860792810), (1370, 11445232186), (2644, 5930396405), (2740, 5722616093), (3305, 4744317124), (6610, 2372158562), (13220, 1186079281), (90557, 173150260), (181114, 86575130), (362228, 43287565), (452785, 34630052), (905570, 17315026), (1811140, 8657513)]