80974460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{1559}}^1$

素因数の和:1635

約数の個数: 72

約数和(自身を含む): 201670560

約数和(自身を除く): 120696100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 53, 70, 98, 106, 140, 196, 212, 245, 265, 371, 490, 530, 742, 980, 1060, 1484, 1559, 1855, 2597, 3118, 3710, 5194, 6236, 7420, 7795, 10388, 10913, 12985, 15590, 21826, 25970, 31180, 43652, 51940, 54565, 76391, 82627, 109130, 152782, 165254, 218260, 305564, 330508, 381955, 413135, 578389, 763910, 826270, 1156778, 1527820, 1652540, 2313556, 2891945, 4048723, 5783890, 8097446, 11567780, 16194892, 20243615, 40487230, 80974460]

約数ペア:

[(1, 80974460), (2, 40487230), (4, 20243615), (5, 16194892), (7, 11567780), (10, 8097446), (14, 5783890), (20, 4048723), (28, 2891945), (35, 2313556), (49, 1652540), (53, 1527820), (70, 1156778), (98, 826270), (106, 763910), (140, 578389), (196, 413135), (212, 381955), (245, 330508), (265, 305564), (371, 218260), (490, 165254), (530, 152782), (742, 109130), (980, 82627), (1060, 76391), (1484, 54565), (1559, 51940), (1855, 43652), (2597, 31180), (3118, 25970), (3710, 21826), (5194, 15590), (6236, 12985), (7420, 10913), (7795, 10388)]