1286665740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{420479}}^1$

素因数の和:420511

約数の個数: 72

約数和(自身を含む): 4132477440

約数和(自身を除く): 2845811700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 420479, 840958, 1261437, 1681916, 2102395, 2522874, 3784311, 4204790, 5045748, 6307185, 7148143, 7568622, 8409580, 12614370, 14296286, 15137244, 18921555, 21444429, 25228740, 28592572, 35740715, 37843110, 42888858, 64333287, 71481430, 75686220, 85777716, 107222145, 128666574, 142962860, 214444290, 257333148, 321666435, 428888580, 643332870, 1286665740]

約数ペア:

[(1, 1286665740), (2, 643332870), (3, 428888580), (4, 321666435), (5, 257333148), (6, 214444290), (9, 142962860), (10, 128666574), (12, 107222145), (15, 85777716), (17, 75686220), (18, 71481430), (20, 64333287), (30, 42888858), (34, 37843110), (36, 35740715), (45, 28592572), (51, 25228740), (60, 21444429), (68, 18921555), (85, 15137244), (90, 14296286), (102, 12614370), (153, 8409580), (170, 7568622), (180, 7148143), (204, 6307185), (255, 5045748), (306, 4204790), (340, 3784311), (510, 2522874), (612, 2102395), (765, 1681916), (1020, 1261437), (1530, 840958), (3060, 420479)]