81656160

素因数分解:

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

素因数の和:876

約数の個数: 96

約数和(自身を含む): 258515712

約数和(自身を除く): 176859552

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 311, 480, 547, 622, 933, 1094, 1244, 1555, 1641, 1866, 2188, 2488, 2735, 3110, 3282, 3732, 4376, 4665, 4976, 5470, 6220, 6564, 7464, 8205, 8752, 9330, 9952, 10940, 12440, 13128, 14928, 16410, 17504, 18660, 21880, 24880, 26256, 29856, 32820, 37320, 43760, 49760, 52512, 65640, 74640, 87520, 131280, 149280, 170117, 262560, 340234, 510351, 680468, 850585, 1020702, 1360936, 1701170, 2041404, 2551755, 2721872, 3402340, 4082808, 5103510, 5443744, 6804680, 8165616, 10207020, 13609360, 16331232, 20414040, 27218720, 40828080, 81656160]

約数ペア:

[(1, 81656160), (2, 40828080), (3, 27218720), (4, 20414040), (5, 16331232), (6, 13609360), (8, 10207020), (10, 8165616), (12, 6804680), (15, 5443744), (16, 5103510), (20, 4082808), (24, 3402340), (30, 2721872), (32, 2551755), (40, 2041404), (48, 1701170), (60, 1360936), (80, 1020702), (96, 850585), (120, 680468), (160, 510351), (240, 340234), (311, 262560), (480, 170117), (547, 149280), (622, 131280), (933, 87520), (1094, 74640), (1244, 65640), (1555, 52512), (1641, 49760), (1866, 43760), (2188, 37320), (2488, 32820), (2735, 29856), (3110, 26256), (3282, 24880), (3732, 21880), (4376, 18660), (4665, 17504), (4976, 16410), (5470, 14928), (6220, 13128), (6564, 12440), (7464, 10940), (8205, 9952), (8752, 9330)]