81699090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{8537}}^1$

素因数の和:8587

約数の個数: 64

約数和(自身を含む): 221304960

約数和(自身を除く): 139605870

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 29, 30, 33, 55, 58, 66, 87, 110, 145, 165, 174, 290, 319, 330, 435, 638, 870, 957, 1595, 1914, 3190, 4785, 8537, 9570, 17074, 25611, 42685, 51222, 85370, 93907, 128055, 187814, 247573, 256110, 281721, 469535, 495146, 563442, 742719, 939070, 1237865, 1408605, 1485438, 2475730, 2723303, 2817210, 3713595, 5446606, 7427190, 8169909, 13616515, 16339818, 27233030, 40849545, 81699090]

約数ペア:

[(1, 81699090), (2, 40849545), (3, 27233030), (5, 16339818), (6, 13616515), (10, 8169909), (11, 7427190), (15, 5446606), (22, 3713595), (29, 2817210), (30, 2723303), (33, 2475730), (55, 1485438), (58, 1408605), (66, 1237865), (87, 939070), (110, 742719), (145, 563442), (165, 495146), (174, 469535), (290, 281721), (319, 256110), (330, 247573), (435, 187814), (638, 128055), (870, 93907), (957, 85370), (1595, 51222), (1914, 42685), (3190, 25611), (4785, 17074), (8537, 9570)]