15978984

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{419}}^1$

素因数の和:662

約数の個数: 64

約数和(自身を含む): 45964800

約数和(自身を除く): 29985816

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 227, 419, 454, 681, 838, 908, 1257, 1362, 1589, 1676, 1816, 2514, 2724, 2933, 3178, 3352, 4767, 5028, 5448, 5866, 6356, 8799, 9534, 10056, 11732, 12712, 17598, 19068, 23464, 35196, 38136, 70392, 95113, 190226, 285339, 380452, 570678, 665791, 760904, 1141356, 1331582, 1997373, 2282712, 2663164, 3994746, 5326328, 7989492, 15978984]

約数ペア:

[(1, 15978984), (2, 7989492), (3, 5326328), (4, 3994746), (6, 2663164), (7, 2282712), (8, 1997373), (12, 1331582), (14, 1141356), (21, 760904), (24, 665791), (28, 570678), (42, 380452), (56, 285339), (84, 190226), (168, 95113), (227, 70392), (419, 38136), (454, 35196), (681, 23464), (838, 19068), (908, 17598), (1257, 12712), (1362, 11732), (1589, 10056), (1676, 9534), (1816, 8799), (2514, 6356), (2724, 5866), (2933, 5448), (3178, 5028), (3352, 4767)]