16780890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1949}}^1$

素因数の和:2007

約数の個数: 64

約数和(自身を含む): 47174400

約数和(自身を除く): 30393510

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 41, 42, 70, 82, 105, 123, 205, 210, 246, 287, 410, 574, 615, 861, 1230, 1435, 1722, 1949, 2870, 3898, 4305, 5847, 8610, 9745, 11694, 13643, 19490, 27286, 29235, 40929, 58470, 68215, 79909, 81858, 136430, 159818, 204645, 239727, 399545, 409290, 479454, 559363, 799090, 1118726, 1198635, 1678089, 2397270, 2796815, 3356178, 5593630, 8390445, 16780890]

約数ペア:

[(1, 16780890), (2, 8390445), (3, 5593630), (5, 3356178), (6, 2796815), (7, 2397270), (10, 1678089), (14, 1198635), (15, 1118726), (21, 799090), (30, 559363), (35, 479454), (41, 409290), (42, 399545), (70, 239727), (82, 204645), (105, 159818), (123, 136430), (205, 81858), (210, 79909), (246, 68215), (287, 58470), (410, 40929), (574, 29235), (615, 27286), (861, 19490), (1230, 13643), (1435, 11694), (1722, 9745), (1949, 8610), (2870, 5847), (3898, 4305)]