260614620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{521}}^1$

素因数の和:940

約数の個数: 144

約数和(自身を含む): 907478208

約数和(自身を除く): 646863588

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 397, 420, 521, 630, 794, 1042, 1191, 1260, 1563, 1588, 1985, 2084, 2382, 2605, 2779, 3126, 3573, 3647, 3970, 4689, 4764, 5210, 5558, 5955, 6252, 7146, 7294, 7815, 7940, 8337, 9378, 10420, 10941, 11116, 11910, 13895, 14292, 14588, 15630, 16674, 17865, 18235, 18756, 21882, 23445, 23820, 25011, 27790, 31260, 32823, 33348, 35730, 36470, 41685, 43764, 46890, 50022, 54705, 55580, 65646, 71460, 72940, 83370, 93780, 100044, 109410, 125055, 131292, 164115, 166740, 206837, 218820, 250110, 328230, 413674, 500220, 620511, 656460, 827348, 1034185, 1241022, 1447859, 1861533, 2068370, 2482044, 2895718, 3102555, 3723066, 4136740, 4343577, 5791436, 6205110, 7239295, 7446132, 8687154, 9307665, 12410220, 13030731, 14478590, 17374308, 18615330, 21717885, 26061462, 28957180, 37230660, 43435770, 52122924, 65153655, 86871540, 130307310, 260614620]

約数ペア:

[(1, 260614620), (2, 130307310), (3, 86871540), (4, 65153655), (5, 52122924), (6, 43435770), (7, 37230660), (9, 28957180), (10, 26061462), (12, 21717885), (14, 18615330), (15, 17374308), (18, 14478590), (20, 13030731), (21, 12410220), (28, 9307665), (30, 8687154), (35, 7446132), (36, 7239295), (42, 6205110), (45, 5791436), (60, 4343577), (63, 4136740), (70, 3723066), (84, 3102555), (90, 2895718), (105, 2482044), (126, 2068370), (140, 1861533), (180, 1447859), (210, 1241022), (252, 1034185), (315, 827348), (397, 656460), (420, 620511), (521, 500220), (630, 413674), (794, 328230), (1042, 250110), (1191, 218820), (1260, 206837), (1563, 166740), (1588, 164115), (1985, 131292), (2084, 125055), (2382, 109410), (2605, 100044), (2779, 93780), (3126, 83370), (3573, 72940), (3647, 71460), (3970, 65646), (4689, 55580), (4764, 54705), (5210, 50022), (5558, 46890), (5955, 43764), (6252, 41685), (7146, 36470), (7294, 35730), (7815, 33348), (7940, 32823), (8337, 31260), (9378, 27790), (10420, 25011), (10941, 23820), (11116, 23445), (11910, 21882), (13895, 18756), (14292, 18235), (14588, 17865), (15630, 16674)]