2509815

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:120

約数の個数: 64

約数和(自身を含む): 5225472

約数和(自身を除く): 2715657

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 41, 53, 55, 77, 105, 123, 159, 165, 205, 231, 265, 287, 371, 385, 451, 583, 615, 795, 861, 1113, 1155, 1353, 1435, 1749, 1855, 2173, 2255, 2915, 3157, 4081, 4305, 5565, 6519, 6765, 8745, 9471, 10865, 12243, 15211, 15785, 20405, 23903, 32595, 45633, 47355, 61215, 71709, 76055, 119515, 167321, 228165, 358545, 501963, 836605, 2509815]

約数ペア:

[(1, 2509815), (3, 836605), (5, 501963), (7, 358545), (11, 228165), (15, 167321), (21, 119515), (33, 76055), (35, 71709), (41, 61215), (53, 47355), (55, 45633), (77, 32595), (105, 23903), (123, 20405), (159, 15785), (165, 15211), (205, 12243), (231, 10865), (265, 9471), (287, 8745), (371, 6765), (385, 6519), (451, 5565), (583, 4305), (615, 4081), (795, 3157), (861, 2915), (1113, 2255), (1155, 2173), (1353, 1855), (1435, 1749)]