271646240

素因数分解:

$2^5\times 5^1\times {\mathrm{79}}^1\times {\mathrm{21491}}^1$

素因数の和:21585

約数の個数: 48

約数和(自身を含む): 649918080

約数和(自身を除く): 378271840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 79, 80, 158, 160, 316, 395, 632, 790, 1264, 1580, 2528, 3160, 6320, 12640, 21491, 42982, 85964, 107455, 171928, 214910, 343856, 429820, 687712, 859640, 1697789, 1719280, 3395578, 3438560, 6791156, 8488945, 13582312, 16977890, 27164624, 33955780, 54329248, 67911560, 135823120, 271646240]

約数ペア:

[(1, 271646240), (2, 135823120), (4, 67911560), (5, 54329248), (8, 33955780), (10, 27164624), (16, 16977890), (20, 13582312), (32, 8488945), (40, 6791156), (79, 3438560), (80, 3395578), (158, 1719280), (160, 1697789), (316, 859640), (395, 687712), (632, 429820), (790, 343856), (1264, 214910), (1580, 171928), (2528, 107455), (3160, 85964), (6320, 42982), (12640, 21491)]