121451960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{18859}}^1$

素因数の和:18900

約数の個数: 64

約数和(自身を含む): 325900800

約数和(自身を除く): 204448840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 6440, 18859, 37718, 75436, 94295, 132013, 150872, 188590, 264026, 377180, 433757, 528052, 660065, 754360, 867514, 1056104, 1320130, 1735028, 2168785, 2640260, 3036299, 3470056, 4337570, 5280520, 6072598, 8675140, 12145196, 15181495, 17350280, 24290392, 30362990, 60725980, 121451960]

約数ペア:

[(1, 121451960), (2, 60725980), (4, 30362990), (5, 24290392), (7, 17350280), (8, 15181495), (10, 12145196), (14, 8675140), (20, 6072598), (23, 5280520), (28, 4337570), (35, 3470056), (40, 3036299), (46, 2640260), (56, 2168785), (70, 1735028), (92, 1320130), (115, 1056104), (140, 867514), (161, 754360), (184, 660065), (230, 528052), (280, 433757), (322, 377180), (460, 264026), (644, 188590), (805, 150872), (920, 132013), (1288, 94295), (1610, 75436), (3220, 37718), (6440, 18859)]