80806695

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:256

約数の個数: 64

約数和(自身を含む): 143700480

約数和(自身を除く): 62893785

約数列:

[1, 3, 5, 15, 17, 41, 51, 59, 85, 123, 131, 177, 205, 255, 295, 393, 615, 655, 697, 885, 1003, 1965, 2091, 2227, 2419, 3009, 3485, 5015, 5371, 6681, 7257, 7729, 10455, 11135, 12095, 15045, 16113, 23187, 26855, 33405, 36285, 38645, 41123, 80565, 91307, 115935, 123369, 131393, 205615, 273921, 316889, 394179, 456535, 616845, 656965, 950667, 1369605, 1584445, 1970895, 4753335, 5387113, 16161339, 26935565, 80806695]

約数ペア:

[(1, 80806695), (3, 26935565), (5, 16161339), (15, 5387113), (17, 4753335), (41, 1970895), (51, 1584445), (59, 1369605), (85, 950667), (123, 656965), (131, 616845), (177, 456535), (205, 394179), (255, 316889), (295, 273921), (393, 205615), (615, 131393), (655, 123369), (697, 115935), (885, 91307), (1003, 80565), (1965, 41123), (2091, 38645), (2227, 36285), (2419, 33405), (3009, 26855), (3485, 23187), (5015, 16113), (5371, 15045), (6681, 12095), (7257, 11135), (7729, 10455)]