2320780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{137}}^1$

素因数の和:175

約数の個数: 72

約数和(自身を含む): 6166944

約数和(自身を除く): 3846164

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 121, 137, 140, 154, 220, 242, 274, 308, 385, 484, 548, 605, 685, 770, 847, 959, 1210, 1370, 1507, 1540, 1694, 1918, 2420, 2740, 3014, 3388, 3836, 4235, 4795, 6028, 7535, 8470, 9590, 10549, 15070, 16577, 16940, 19180, 21098, 30140, 33154, 42196, 52745, 66308, 82885, 105490, 116039, 165770, 210980, 232078, 331540, 464156, 580195, 1160390, 2320780]

約数ペア:

[(1, 2320780), (2, 1160390), (4, 580195), (5, 464156), (7, 331540), (10, 232078), (11, 210980), (14, 165770), (20, 116039), (22, 105490), (28, 82885), (35, 66308), (44, 52745), (55, 42196), (70, 33154), (77, 30140), (110, 21098), (121, 19180), (137, 16940), (140, 16577), (154, 15070), (220, 10549), (242, 9590), (274, 8470), (308, 7535), (385, 6028), (484, 4795), (548, 4235), (605, 3836), (685, 3388), (770, 3014), (847, 2740), (959, 2420), (1210, 1918), (1370, 1694), (1507, 1540)]