20151915080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1601}}^1\times {\mathrm{28607}}^1$

素因数の和:30230

約数の個数: 64

約数和(自身を含む): 49496417280

約数和(自身を除く): 29344502200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 1601, 3202, 6404, 8005, 12808, 16010, 17611, 28607, 32020, 35222, 57214, 64040, 70444, 88055, 114428, 140888, 143035, 176110, 228856, 286070, 314677, 352220, 572140, 629354, 704440, 1144280, 1258708, 1573385, 2517416, 3146770, 6293540, 12587080, 45799807, 91599614, 183199228, 228999035, 366398456, 457998070, 503797877, 915996140, 1007595754, 1831992280, 2015191508, 2518989385, 4030383016, 5037978770, 10075957540, 20151915080]

約数ペア:

[(1, 20151915080), (2, 10075957540), (4, 5037978770), (5, 4030383016), (8, 2518989385), (10, 2015191508), (11, 1831992280), (20, 1007595754), (22, 915996140), (40, 503797877), (44, 457998070), (55, 366398456), (88, 228999035), (110, 183199228), (220, 91599614), (440, 45799807), (1601, 12587080), (3202, 6293540), (6404, 3146770), (8005, 2517416), (12808, 1573385), (16010, 1258708), (17611, 1144280), (28607, 704440), (32020, 629354), (35222, 572140), (57214, 352220), (64040, 314677), (70444, 286070), (88055, 228856), (114428, 176110), (140888, 143035)]