81472590

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{4549}}^1$

素因数の和:4761

約数の個数: 48

約数和(自身を含む): 212940000

約数和(自身を除く): 131467410

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 199, 398, 597, 995, 1194, 1791, 1990, 2985, 3582, 4549, 5970, 8955, 9098, 13647, 17910, 22745, 27294, 40941, 45490, 68235, 81882, 136470, 204705, 409410, 905251, 1810502, 2715753, 4526255, 5431506, 8147259, 9052510, 13578765, 16294518, 27157530, 40736295, 81472590]

約数ペア:

[(1, 81472590), (2, 40736295), (3, 27157530), (5, 16294518), (6, 13578765), (9, 9052510), (10, 8147259), (15, 5431506), (18, 4526255), (30, 2715753), (45, 1810502), (90, 905251), (199, 409410), (398, 204705), (597, 136470), (995, 81882), (1194, 68235), (1791, 45490), (1990, 40941), (2985, 27294), (3582, 22745), (4549, 17910), (5970, 13647), (8955, 9098)]