120231440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{4993}}^1$

素因数の和:5056

約数の個数: 80

約数和(自身を含む): 326967168

約数和(自身を除く): 206735728

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 43, 56, 70, 80, 86, 112, 140, 172, 215, 280, 301, 344, 430, 560, 602, 688, 860, 1204, 1505, 1720, 2408, 3010, 3440, 4816, 4993, 6020, 9986, 12040, 19972, 24080, 24965, 34951, 39944, 49930, 69902, 79888, 99860, 139804, 174755, 199720, 214699, 279608, 349510, 399440, 429398, 559216, 699020, 858796, 1073495, 1398040, 1502893, 1717592, 2146990, 2796080, 3005786, 3435184, 4293980, 6011572, 7514465, 8587960, 12023144, 15028930, 17175920, 24046288, 30057860, 60115720, 120231440]

約数ペア:

[(1, 120231440), (2, 60115720), (4, 30057860), (5, 24046288), (7, 17175920), (8, 15028930), (10, 12023144), (14, 8587960), (16, 7514465), (20, 6011572), (28, 4293980), (35, 3435184), (40, 3005786), (43, 2796080), (56, 2146990), (70, 1717592), (80, 1502893), (86, 1398040), (112, 1073495), (140, 858796), (172, 699020), (215, 559216), (280, 429398), (301, 399440), (344, 349510), (430, 279608), (560, 214699), (602, 199720), (688, 174755), (860, 139804), (1204, 99860), (1505, 79888), (1720, 69902), (2408, 49930), (3010, 39944), (3440, 34951), (4816, 24965), (4993, 24080), (6020, 19972), (9986, 12040)]