1260442890

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{666901}}^1$

素因数の和:666924

約数の個数: 64

約数和(自身を含む): 3841355520

約数和(自身を除く): 2580912630

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, 666901, 1333802, 2000703, 3334505, 4001406, 4668307, 6002109, 6669010, 9336614, 10003515, 12004218, 14004921, 18006327, 20007030, 23341535, 28009842, 30010545, 36012654, 42014763, 46683070, 60021090, 70024605, 84029526, 90031635, 126044289, 140049210, 180063270, 210073815, 252088578, 420147630, 630221445, 1260442890]

約数ペア:

[(1, 1260442890), (2, 630221445), (3, 420147630), (5, 252088578), (6, 210073815), (7, 180063270), (9, 140049210), (10, 126044289), (14, 90031635), (15, 84029526), (18, 70024605), (21, 60021090), (27, 46683070), (30, 42014763), (35, 36012654), (42, 30010545), (45, 28009842), (54, 23341535), (63, 20007030), (70, 18006327), (90, 14004921), (105, 12004218), (126, 10003515), (135, 9336614), (189, 6669010), (210, 6002109), (270, 4668307), (315, 4001406), (378, 3334505), (630, 2000703), (945, 1333802), (1890, 666901)]