820890

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{1303}}^1$

素因数の和:1323

約数の個数: 48

約数和(自身を含む): 2441088

約数和(自身を除く): 1620198

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 1303, 2606, 3909, 6515, 7818, 9121, 11727, 13030, 18242, 19545, 23454, 27363, 39090, 45605, 54726, 58635, 82089, 91210, 117270, 136815, 164178, 273630, 410445, 820890]

約数ペア:

[(1, 820890), (2, 410445), (3, 273630), (5, 164178), (6, 136815), (7, 117270), (9, 91210), (10, 82089), (14, 58635), (15, 54726), (18, 45605), (21, 39090), (30, 27363), (35, 23454), (42, 19545), (45, 18242), (63, 13030), (70, 11727), (90, 9121), (105, 7818), (126, 6515), (210, 3909), (315, 2606), (630, 1303)]