15981672

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{379}}^1$

素因数の和:646

約数の個数: 64

約数和(自身を含む): 45964800

約数和(自身を除く): 29983128

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 251, 379, 502, 753, 758, 1004, 1137, 1506, 1516, 1757, 2008, 2274, 2653, 3012, 3032, 3514, 4548, 5271, 5306, 6024, 7028, 7959, 9096, 10542, 10612, 14056, 15918, 21084, 21224, 31836, 42168, 63672, 95129, 190258, 285387, 380516, 570774, 665903, 761032, 1141548, 1331806, 1997709, 2283096, 2663612, 3995418, 5327224, 7990836, 15981672]

約数ペア:

[(1, 15981672), (2, 7990836), (3, 5327224), (4, 3995418), (6, 2663612), (7, 2283096), (8, 1997709), (12, 1331806), (14, 1141548), (21, 761032), (24, 665903), (28, 570774), (42, 380516), (56, 285387), (84, 190258), (168, 95129), (251, 63672), (379, 42168), (502, 31836), (753, 21224), (758, 21084), (1004, 15918), (1137, 14056), (1506, 10612), (1516, 10542), (1757, 9096), (2008, 7959), (2274, 7028), (2653, 6024), (3012, 5306), (3032, 5271), (3514, 4548)]