15381720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{42727}}^1$

素因数の和:42744

約数の個数: 48

約数和(自身を含む): 49991760

約数和(自身を除く): 34610040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 42727, 85454, 128181, 170908, 213635, 256362, 341816, 384543, 427270, 512724, 640905, 769086, 854540, 1025448, 1281810, 1538172, 1709080, 1922715, 2563620, 3076344, 3845430, 5127240, 7690860, 15381720]

約数ペア:

[(1, 15381720), (2, 7690860), (3, 5127240), (4, 3845430), (5, 3076344), (6, 2563620), (8, 1922715), (9, 1709080), (10, 1538172), (12, 1281810), (15, 1025448), (18, 854540), (20, 769086), (24, 640905), (30, 512724), (36, 427270), (40, 384543), (45, 341816), (60, 256362), (72, 213635), (90, 170908), (120, 128181), (180, 85454), (360, 42727)]