15866940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{3947}}^1$

素因数の和:4026

約数の個数: 48

約数和(自身を含む): 45101952

約数和(自身を除く): 29235012

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 67, 134, 201, 268, 335, 402, 670, 804, 1005, 1340, 2010, 3947, 4020, 7894, 11841, 15788, 19735, 23682, 39470, 47364, 59205, 78940, 118410, 236820, 264449, 528898, 793347, 1057796, 1322245, 1586694, 2644490, 3173388, 3966735, 5288980, 7933470, 15866940]

約数ペア:

[(1, 15866940), (2, 7933470), (3, 5288980), (4, 3966735), (5, 3173388), (6, 2644490), (10, 1586694), (12, 1322245), (15, 1057796), (20, 793347), (30, 528898), (60, 264449), (67, 236820), (134, 118410), (201, 78940), (268, 59205), (335, 47364), (402, 39470), (670, 23682), (804, 19735), (1005, 15788), (1340, 11841), (2010, 7894), (3947, 4020)]