80720766

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{179}}^1\times {\mathrm{1193}}^1$

素因数の和:1390

約数の個数: 64

約数和(自身を含む): 206323200

約数和(自身を除く): 125602434

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 179, 189, 358, 378, 537, 1074, 1193, 1253, 1611, 2386, 2506, 3222, 3579, 3759, 4833, 7158, 7518, 8351, 9666, 10737, 11277, 16702, 21474, 22554, 25053, 32211, 33831, 50106, 64422, 67662, 75159, 150318, 213547, 225477, 427094, 450954, 640641, 1281282, 1494829, 1921923, 2989658, 3843846, 4484487, 5765769, 8968974, 11531538, 13453461, 26906922, 40360383, 80720766]

約数ペア:

[(1, 80720766), (2, 40360383), (3, 26906922), (6, 13453461), (7, 11531538), (9, 8968974), (14, 5765769), (18, 4484487), (21, 3843846), (27, 2989658), (42, 1921923), (54, 1494829), (63, 1281282), (126, 640641), (179, 450954), (189, 427094), (358, 225477), (378, 213547), (537, 150318), (1074, 75159), (1193, 67662), (1253, 64422), (1611, 50106), (2386, 33831), (2506, 32211), (3222, 25053), (3579, 22554), (3759, 21474), (4833, 16702), (7158, 11277), (7518, 10737), (8351, 9666)]