20009936160

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{70537}}^1$

素因数の和:70755

約数の個数: 144

約数和(自身を含む): 68631498936

約数和(自身を除く): 48621562776

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 197, 240, 288, 360, 394, 480, 591, 720, 788, 985, 1182, 1440, 1576, 1773, 1970, 2364, 2955, 3152, 3546, 3940, 4728, 5910, 6304, 7092, 7880, 8865, 9456, 11820, 14184, 15760, 17730, 18912, 23640, 28368, 31520, 35460, 47280, 56736, 70537, 70920, 94560, 141074, 141840, 211611, 282148, 283680, 352685, 423222, 564296, 634833, 705370, 846444, 1058055, 1128592, 1269666, 1410740, 1692888, 2116110, 2257184, 2539332, 2821480, 3174165, 3385776, 4232220, 5078664, 5642960, 6348330, 6771552, 8464440, 10157328, 11285920, 12696660, 13895789, 16928880, 20314656, 25393320, 27791578, 33857760, 41687367, 50786640, 55583156, 69478945, 83374734, 101573280, 111166312, 125062101, 138957890, 166749468, 208436835, 222332624, 250124202, 277915780, 333498936, 416873670, 444665248, 500248404, 555831560, 625310505, 666997872, 833747340, 1000496808, 1111663120, 1250621010, 1333995744, 1667494680, 2000993616, 2223326240, 2501242020, 3334989360, 4001987232, 5002484040, 6669978720, 10004968080, 20009936160]

約数ペア:

[(1, 20009936160), (2, 10004968080), (3, 6669978720), (4, 5002484040), (5, 4001987232), (6, 3334989360), (8, 2501242020), (9, 2223326240), (10, 2000993616), (12, 1667494680), (15, 1333995744), (16, 1250621010), (18, 1111663120), (20, 1000496808), (24, 833747340), (30, 666997872), (32, 625310505), (36, 555831560), (40, 500248404), (45, 444665248), (48, 416873670), (60, 333498936), (72, 277915780), (80, 250124202), (90, 222332624), (96, 208436835), (120, 166749468), (144, 138957890), (160, 125062101), (180, 111166312), (197, 101573280), (240, 83374734), (288, 69478945), (360, 55583156), (394, 50786640), (480, 41687367), (591, 33857760), (720, 27791578), (788, 25393320), (985, 20314656), (1182, 16928880), (1440, 13895789), (1576, 12696660), (1773, 11285920), (1970, 10157328), (2364, 8464440), (2955, 6771552), (3152, 6348330), (3546, 5642960), (3940, 5078664), (4728, 4232220), (5910, 3385776), (6304, 3174165), (7092, 2821480), (7880, 2539332), (8865, 2257184), (9456, 2116110), (11820, 1692888), (14184, 1410740), (15760, 1269666), (17730, 1128592), (18912, 1058055), (23640, 846444), (28368, 705370), (31520, 634833), (35460, 564296), (47280, 423222), (56736, 352685), (70537, 283680), (70920, 282148), (94560, 211611), (141074, 141840)]