81278100

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{30103}}^1$

素因数の和:30126

約数の個数: 72

約数和(自身を含む): 261302720

約数和(自身を除く): 180024620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 90, 100, 108, 135, 150, 180, 225, 270, 300, 450, 540, 675, 900, 1350, 2700, 30103, 60206, 90309, 120412, 150515, 180618, 270927, 301030, 361236, 451545, 541854, 602060, 752575, 812781, 903090, 1083708, 1354635, 1505150, 1625562, 1806180, 2257725, 2709270, 3010300, 3251124, 4063905, 4515450, 5418540, 6773175, 8127810, 9030900, 13546350, 16255620, 20319525, 27092700, 40639050, 81278100]

約数ペア:

[(1, 81278100), (2, 40639050), (3, 27092700), (4, 20319525), (5, 16255620), (6, 13546350), (9, 9030900), (10, 8127810), (12, 6773175), (15, 5418540), (18, 4515450), (20, 4063905), (25, 3251124), (27, 3010300), (30, 2709270), (36, 2257725), (45, 1806180), (50, 1625562), (54, 1505150), (60, 1354635), (75, 1083708), (90, 903090), (100, 812781), (108, 752575), (135, 602060), (150, 541854), (180, 451545), (225, 361236), (270, 301030), (300, 270927), (450, 180618), (540, 150515), (675, 120412), (900, 90309), (1350, 60206), (2700, 30103)]