61271980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{3617}}^1$

素因数の和:3655

約数の個数: 72

約数和(自身を含む): 161681184

約数和(自身を除く): 100409204

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 121, 140, 154, 220, 242, 308, 385, 484, 605, 770, 847, 1210, 1540, 1694, 2420, 3388, 3617, 4235, 7234, 8470, 14468, 16940, 18085, 25319, 36170, 39787, 50638, 72340, 79574, 101276, 126595, 159148, 198935, 253190, 278509, 397870, 437657, 506380, 557018, 795740, 875314, 1114036, 1392545, 1750628, 2188285, 2785090, 3063599, 4376570, 5570180, 6127198, 8753140, 12254396, 15317995, 30635990, 61271980]

約数ペア:

[(1, 61271980), (2, 30635990), (4, 15317995), (5, 12254396), (7, 8753140), (10, 6127198), (11, 5570180), (14, 4376570), (20, 3063599), (22, 2785090), (28, 2188285), (35, 1750628), (44, 1392545), (55, 1114036), (70, 875314), (77, 795740), (110, 557018), (121, 506380), (140, 437657), (154, 397870), (220, 278509), (242, 253190), (308, 198935), (385, 159148), (484, 126595), (605, 101276), (770, 79574), (847, 72340), (1210, 50638), (1540, 39787), (1694, 36170), (2420, 25319), (3388, 18085), (3617, 16940), (4235, 14468), (7234, 8470)]