208456920

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{82721}}^1$

素因数の和:82745

約数の個数: 96

約数和(自身を含む): 774277920

約数和(自身を除く): 565821000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 82721, 165442, 248163, 330884, 413605, 496326, 579047, 661768, 744489, 827210, 992652, 1158094, 1240815, 1488978, 1654420, 1737141, 1985304, 2316188, 2481630, 2895235, 2977956, 3308840, 3474282, 3722445, 4632376, 4963260, 5211423, 5790470, 5955912, 6948564, 7444890, 8685705, 9926520, 10422846, 11580940, 13897128, 14889780, 17371410, 20845692, 23161880, 26057115, 29779560, 34742820, 41691384, 52114230, 69485640, 104228460, 208456920]

約数ペア:

[(1, 208456920), (2, 104228460), (3, 69485640), (4, 52114230), (5, 41691384), (6, 34742820), (7, 29779560), (8, 26057115), (9, 23161880), (10, 20845692), (12, 17371410), (14, 14889780), (15, 13897128), (18, 11580940), (20, 10422846), (21, 9926520), (24, 8685705), (28, 7444890), (30, 6948564), (35, 5955912), (36, 5790470), (40, 5211423), (42, 4963260), (45, 4632376), (56, 3722445), (60, 3474282), (63, 3308840), (70, 2977956), (72, 2895235), (84, 2481630), (90, 2316188), (105, 1985304), (120, 1737141), (126, 1654420), (140, 1488978), (168, 1240815), (180, 1158094), (210, 992652), (252, 827210), (280, 744489), (315, 661768), (360, 579047), (420, 496326), (504, 413605), (630, 330884), (840, 248163), (1260, 165442), (2520, 82721)]