161794160

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{3469}}^1$

素因数の和:3546

約数の個数: 80

約数和(自身を含む): 418232160

約数和(自身を除く): 256438000

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 53, 55, 80, 88, 106, 110, 176, 212, 220, 265, 424, 440, 530, 583, 848, 880, 1060, 1166, 2120, 2332, 2915, 3469, 4240, 4664, 5830, 6938, 9328, 11660, 13876, 17345, 23320, 27752, 34690, 38159, 46640, 55504, 69380, 76318, 138760, 152636, 183857, 190795, 277520, 305272, 367714, 381590, 610544, 735428, 763180, 919285, 1470856, 1526360, 1838570, 2022427, 2941712, 3052720, 3677140, 4044854, 7354280, 8089708, 10112135, 14708560, 16179416, 20224270, 32358832, 40448540, 80897080, 161794160]

約数ペア:

[(1, 161794160), (2, 80897080), (4, 40448540), (5, 32358832), (8, 20224270), (10, 16179416), (11, 14708560), (16, 10112135), (20, 8089708), (22, 7354280), (40, 4044854), (44, 3677140), (53, 3052720), (55, 2941712), (80, 2022427), (88, 1838570), (106, 1526360), (110, 1470856), (176, 919285), (212, 763180), (220, 735428), (265, 610544), (424, 381590), (440, 367714), (530, 305272), (583, 277520), (848, 190795), (880, 183857), (1060, 152636), (1166, 138760), (2120, 76318), (2332, 69380), (2915, 55504), (3469, 46640), (4240, 38159), (4664, 34690), (5830, 27752), (6938, 23320), (9328, 17345), (11660, 13876)]