27966420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{619}}^1$

素因数の和:885

約数の個数: 72

約数和(自身を含む): 85307040

約数和(自身を除く): 57340620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 251, 502, 619, 753, 1004, 1238, 1255, 1506, 1857, 2259, 2476, 2510, 3012, 3095, 3714, 3765, 4518, 5020, 5571, 6190, 7428, 7530, 9036, 9285, 11142, 11295, 12380, 15060, 18570, 22284, 22590, 27855, 37140, 45180, 55710, 111420, 155369, 310738, 466107, 621476, 776845, 932214, 1398321, 1553690, 1864428, 2330535, 2796642, 3107380, 4661070, 5593284, 6991605, 9322140, 13983210, 27966420]

約数ペア:

[(1, 27966420), (2, 13983210), (3, 9322140), (4, 6991605), (5, 5593284), (6, 4661070), (9, 3107380), (10, 2796642), (12, 2330535), (15, 1864428), (18, 1553690), (20, 1398321), (30, 932214), (36, 776845), (45, 621476), (60, 466107), (90, 310738), (180, 155369), (251, 111420), (502, 55710), (619, 45180), (753, 37140), (1004, 27855), (1238, 22590), (1255, 22284), (1506, 18570), (1857, 15060), (2259, 12380), (2476, 11295), (2510, 11142), (3012, 9285), (3095, 9036), (3714, 7530), (3765, 7428), (4518, 6190), (5020, 5571)]