15903660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{661}}^1$

素因数の和:1074

約数の個数: 48

約数和(自身を含む): 44708832

約数和(自身を除く): 28805172

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 401, 661, 802, 1203, 1322, 1604, 1983, 2005, 2406, 2644, 3305, 3966, 4010, 4812, 6015, 6610, 7932, 8020, 9915, 12030, 13220, 19830, 24060, 39660, 265061, 530122, 795183, 1060244, 1325305, 1590366, 2650610, 3180732, 3975915, 5301220, 7951830, 15903660]

約数ペア:

[(1, 15903660), (2, 7951830), (3, 5301220), (4, 3975915), (5, 3180732), (6, 2650610), (10, 1590366), (12, 1325305), (15, 1060244), (20, 795183), (30, 530122), (60, 265061), (401, 39660), (661, 24060), (802, 19830), (1203, 13220), (1322, 12030), (1604, 9915), (1983, 8020), (2005, 7932), (2406, 6610), (2644, 6015), (3305, 4812), (3966, 4010)]