128818760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{937}}^1$

素因数の和:1446

約数の個数: 64

約数和(自身を含む): 332277120

約数和(自身を除く): 203458360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 491, 937, 982, 1874, 1964, 2455, 3437, 3748, 3928, 4685, 4910, 6559, 6874, 7496, 9370, 9820, 13118, 13748, 17185, 18740, 19640, 26236, 27496, 32795, 34370, 37480, 52472, 65590, 68740, 131180, 137480, 262360, 460067, 920134, 1840268, 2300335, 3220469, 3680536, 4600670, 6440938, 9201340, 12881876, 16102345, 18402680, 25763752, 32204690, 64409380, 128818760]

約数ペア:

[(1, 128818760), (2, 64409380), (4, 32204690), (5, 25763752), (7, 18402680), (8, 16102345), (10, 12881876), (14, 9201340), (20, 6440938), (28, 4600670), (35, 3680536), (40, 3220469), (56, 2300335), (70, 1840268), (140, 920134), (280, 460067), (491, 262360), (937, 137480), (982, 131180), (1874, 68740), (1964, 65590), (2455, 52472), (3437, 37480), (3748, 34370), (3928, 32795), (4685, 27496), (4910, 26236), (6559, 19640), (6874, 18740), (7496, 17185), (9370, 13748), (9820, 13118)]