80215605

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:195

約数の個数: 96

約数和(自身を含む): 158505984

約数和(自身を除く): 78290379

約数列:

[1, 3, 5, 9, 15, 17, 23, 45, 47, 51, 69, 85, 97, 115, 141, 153, 207, 235, 255, 291, 345, 391, 423, 485, 705, 765, 799, 873, 1035, 1081, 1173, 1455, 1649, 1955, 2115, 2231, 2397, 3243, 3519, 3995, 4365, 4559, 4947, 5405, 5865, 6693, 7191, 8245, 9729, 11155, 11985, 13677, 14841, 16215, 17595, 18377, 20079, 22795, 24735, 33465, 35955, 37927, 41031, 48645, 55131, 68385, 74205, 77503, 91885, 100395, 104857, 113781, 165393, 189635, 205155, 232509, 275655, 314571, 341343, 387515, 524285, 568905, 697527, 826965, 943713, 1162545, 1572855, 1706715, 1782569, 3487635, 4718565, 5347707, 8912845, 16043121, 26738535, 80215605]

約数ペア:

[(1, 80215605), (3, 26738535), (5, 16043121), (9, 8912845), (15, 5347707), (17, 4718565), (23, 3487635), (45, 1782569), (47, 1706715), (51, 1572855), (69, 1162545), (85, 943713), (97, 826965), (115, 697527), (141, 568905), (153, 524285), (207, 387515), (235, 341343), (255, 314571), (291, 275655), (345, 232509), (391, 205155), (423, 189635), (485, 165393), (705, 113781), (765, 104857), (799, 100395), (873, 91885), (1035, 77503), (1081, 74205), (1173, 68385), (1455, 55131), (1649, 48645), (1955, 41031), (2115, 37927), (2231, 35955), (2397, 33465), (3243, 24735), (3519, 22795), (3995, 20079), (4365, 18377), (4559, 17595), (4947, 16215), (5405, 14841), (5865, 13677), (6693, 11985), (7191, 11155), (8245, 9729)]