81581610

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{1429}}^1$

素因数の和:1623

約数の個数: 64

約数和(自身を含む): 214980480

約数和(自身を除く): 133398870

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 173, 330, 346, 519, 865, 1038, 1429, 1730, 1903, 2595, 2858, 3806, 4287, 5190, 5709, 7145, 8574, 9515, 11418, 14290, 15719, 19030, 21435, 28545, 31438, 42870, 47157, 57090, 78595, 94314, 157190, 235785, 247217, 471570, 494434, 741651, 1236085, 1483302, 2472170, 2719387, 3708255, 5438774, 7416510, 8158161, 13596935, 16316322, 27193870, 40790805, 81581610]

約数ペア:

[(1, 81581610), (2, 40790805), (3, 27193870), (5, 16316322), (6, 13596935), (10, 8158161), (11, 7416510), (15, 5438774), (22, 3708255), (30, 2719387), (33, 2472170), (55, 1483302), (66, 1236085), (110, 741651), (165, 494434), (173, 471570), (330, 247217), (346, 235785), (519, 157190), (865, 94314), (1038, 78595), (1429, 57090), (1730, 47157), (1903, 42870), (2595, 31438), (2858, 28545), (3806, 21435), (4287, 19030), (5190, 15719), (5709, 14290), (7145, 11418), (8574, 9515)]