40828080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{311}}^1\times {\mathrm{547}}^1$

素因数の和:874

約数の個数: 80

約数和(自身を含む): 127206144

約数和(自身を除く): 86378064

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 311, 547, 622, 933, 1094, 1244, 1555, 1641, 1866, 2188, 2488, 2735, 3110, 3282, 3732, 4376, 4665, 4976, 5470, 6220, 6564, 7464, 8205, 8752, 9330, 10940, 12440, 13128, 14928, 16410, 18660, 21880, 24880, 26256, 32820, 37320, 43760, 65640, 74640, 131280, 170117, 340234, 510351, 680468, 850585, 1020702, 1360936, 1701170, 2041404, 2551755, 2721872, 3402340, 4082808, 5103510, 6804680, 8165616, 10207020, 13609360, 20414040, 40828080]

約数ペア:

[(1, 40828080), (2, 20414040), (3, 13609360), (4, 10207020), (5, 8165616), (6, 6804680), (8, 5103510), (10, 4082808), (12, 3402340), (15, 2721872), (16, 2551755), (20, 2041404), (24, 1701170), (30, 1360936), (40, 1020702), (48, 850585), (60, 680468), (80, 510351), (120, 340234), (240, 170117), (311, 131280), (547, 74640), (622, 65640), (933, 43760), (1094, 37320), (1244, 32820), (1555, 26256), (1641, 24880), (1866, 21880), (2188, 18660), (2488, 16410), (2735, 14928), (3110, 13128), (3282, 12440), (3732, 10940), (4376, 9330), (4665, 8752), (4976, 8205), (5470, 7464), (6220, 6564)]