81306264

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{751}}^1$

素因数の和:1120

約数の個数: 64

約数和(自身を含む): 219824640

約数和(自身を除く): 138518376

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 347, 694, 751, 1041, 1388, 1502, 2082, 2253, 2776, 3004, 4164, 4506, 4511, 6008, 8328, 9012, 9022, 9763, 13533, 18024, 18044, 19526, 27066, 29289, 36088, 39052, 54132, 58578, 78104, 108264, 117156, 234312, 260597, 521194, 781791, 1042388, 1563582, 2084776, 3127164, 3387761, 6254328, 6775522, 10163283, 13551044, 20326566, 27102088, 40653132, 81306264]

約数ペア:

[(1, 81306264), (2, 40653132), (3, 27102088), (4, 20326566), (6, 13551044), (8, 10163283), (12, 6775522), (13, 6254328), (24, 3387761), (26, 3127164), (39, 2084776), (52, 1563582), (78, 1042388), (104, 781791), (156, 521194), (312, 260597), (347, 234312), (694, 117156), (751, 108264), (1041, 78104), (1388, 58578), (1502, 54132), (2082, 39052), (2253, 36088), (2776, 29289), (3004, 27066), (4164, 19526), (4506, 18044), (4511, 18024), (6008, 13533), (8328, 9763), (9012, 9022)]