120812220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{3407}}^1$

素因数の和:3619

約数の個数: 72

約数和(自身を含む): 368432064

約数和(自身を除く): 247619844

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 197, 394, 591, 788, 985, 1182, 1773, 1970, 2364, 2955, 3407, 3546, 3940, 5910, 6814, 7092, 8865, 10221, 11820, 13628, 17035, 17730, 20442, 30663, 34070, 35460, 40884, 51105, 61326, 68140, 102210, 122652, 153315, 204420, 306630, 613260, 671179, 1342358, 2013537, 2684716, 3355895, 4027074, 6040611, 6711790, 8054148, 10067685, 12081222, 13423580, 20135370, 24162444, 30203055, 40270740, 60406110, 120812220]

約数ペア:

[(1, 120812220), (2, 60406110), (3, 40270740), (4, 30203055), (5, 24162444), (6, 20135370), (9, 13423580), (10, 12081222), (12, 10067685), (15, 8054148), (18, 6711790), (20, 6040611), (30, 4027074), (36, 3355895), (45, 2684716), (60, 2013537), (90, 1342358), (180, 671179), (197, 613260), (394, 306630), (591, 204420), (788, 153315), (985, 122652), (1182, 102210), (1773, 68140), (1970, 61326), (2364, 51105), (2955, 40884), (3407, 35460), (3546, 34070), (3940, 30663), (5910, 20442), (6814, 17730), (7092, 17035), (8865, 13628), (10221, 11820)]