81082890

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{42901}}^1$

素因数の和:42924

約数の個数: 64

約数和(自身を含む): 247115520

約数和(自身を除く): 166032630

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 42901, 85802, 128703, 214505, 257406, 300307, 386109, 429010, 600614, 643515, 772218, 900921, 1158327, 1287030, 1501535, 1801842, 1930545, 2316654, 2702763, 3003070, 3861090, 4504605, 5405526, 5791635, 8108289, 9009210, 11583270, 13513815, 16216578, 27027630, 40541445, 81082890]

約数ペア:

[(1, 81082890), (2, 40541445), (3, 27027630), (5, 16216578), (6, 13513815), (7, 11583270), (9, 9009210), (10, 8108289), (14, 5791635), (15, 5405526), (18, 4504605), (21, 3861090), (27, 3003070), (30, 2702763), (35, 2316654), (42, 1930545), (45, 1801842), (54, 1501535), (63, 1287030), (70, 1158327), (90, 900921), (105, 772218), (126, 643515), (135, 600614), (189, 429010), (210, 386109), (270, 300307), (315, 257406), (378, 214505), (630, 128703), (945, 85802), (1890, 42901)]