64280655

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{757}}^1$

素因数の和:825

約数の個数: 64

約数和(自身を含む): 124433280

約数和(自身を除く): 60152625

約数列:

[1, 3, 5, 9, 15, 17, 27, 37, 45, 51, 85, 111, 135, 153, 185, 255, 333, 459, 555, 629, 757, 765, 999, 1665, 1887, 2271, 2295, 3145, 3785, 4995, 5661, 6813, 9435, 11355, 12869, 16983, 20439, 28009, 28305, 34065, 38607, 64345, 84027, 84915, 102195, 115821, 140045, 193035, 252081, 347463, 420135, 476153, 579105, 756243, 1260405, 1428459, 1737315, 2380765, 3781215, 4285377, 7142295, 12856131, 21426885, 64280655]

約数ペア:

[(1, 64280655), (3, 21426885), (5, 12856131), (9, 7142295), (15, 4285377), (17, 3781215), (27, 2380765), (37, 1737315), (45, 1428459), (51, 1260405), (85, 756243), (111, 579105), (135, 476153), (153, 420135), (185, 347463), (255, 252081), (333, 193035), (459, 140045), (555, 115821), (629, 102195), (757, 84915), (765, 84027), (999, 64345), (1665, 38607), (1887, 34065), (2271, 28305), (2295, 28009), (3145, 20439), (3785, 16983), (4995, 12869), (5661, 11355), (6813, 9435)]