81262320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{547}}^1\times {\mathrm{619}}^1$

素因数の和:1182

約数の個数: 80

約数和(自身を含む): 252781440

約数和(自身を除く): 171519120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 547, 619, 1094, 1238, 1641, 1857, 2188, 2476, 2735, 3095, 3282, 3714, 4376, 4952, 5470, 6190, 6564, 7428, 8205, 8752, 9285, 9904, 10940, 12380, 13128, 14856, 16410, 18570, 21880, 24760, 26256, 29712, 32820, 37140, 43760, 49520, 65640, 74280, 131280, 148560, 338593, 677186, 1015779, 1354372, 1692965, 2031558, 2708744, 3385930, 4063116, 5078895, 5417488, 6771860, 8126232, 10157790, 13543720, 16252464, 20315580, 27087440, 40631160, 81262320]

約数ペア:

[(1, 81262320), (2, 40631160), (3, 27087440), (4, 20315580), (5, 16252464), (6, 13543720), (8, 10157790), (10, 8126232), (12, 6771860), (15, 5417488), (16, 5078895), (20, 4063116), (24, 3385930), (30, 2708744), (40, 2031558), (48, 1692965), (60, 1354372), (80, 1015779), (120, 677186), (240, 338593), (547, 148560), (619, 131280), (1094, 74280), (1238, 65640), (1641, 49520), (1857, 43760), (2188, 37140), (2476, 32820), (2735, 29712), (3095, 26256), (3282, 24760), (3714, 21880), (4376, 18570), (4952, 16410), (5470, 14856), (6190, 13128), (6564, 12380), (7428, 10940), (8205, 9904), (8752, 9285)]