80645535

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{389}}^1$

素因数の和:688

約数の個数: 48

約数和(自身を含む): 148936320

約数和(自身を除く): 68290785

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 271, 389, 765, 813, 1167, 1355, 1945, 2439, 3501, 4065, 4607, 5835, 6613, 12195, 13821, 17505, 19839, 23035, 33065, 41463, 59517, 69105, 99195, 105419, 207315, 297585, 316257, 527095, 948771, 1581285, 1792123, 4743855, 5376369, 8960615, 16129107, 26881845, 80645535]

約数ペア:

[(1, 80645535), (3, 26881845), (5, 16129107), (9, 8960615), (15, 5376369), (17, 4743855), (45, 1792123), (51, 1581285), (85, 948771), (153, 527095), (255, 316257), (271, 297585), (389, 207315), (765, 105419), (813, 99195), (1167, 69105), (1355, 59517), (1945, 41463), (2439, 33065), (3501, 23035), (4065, 19839), (4607, 17505), (5835, 13821), (6613, 12195)]