123180160

素因数分解:

$2^7\times 5^1\times {\mathrm{197}}^1\times {\mathrm{977}}^1$

素因数の和:1193

約数の個数: 64

約数和(自身を含む): 296275320

約数和(自身を除く): 173095160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 197, 320, 394, 640, 788, 977, 985, 1576, 1954, 1970, 3152, 3908, 3940, 4885, 6304, 7816, 7880, 9770, 12608, 15632, 15760, 19540, 25216, 31264, 31520, 39080, 62528, 63040, 78160, 125056, 126080, 156320, 192469, 312640, 384938, 625280, 769876, 962345, 1539752, 1924690, 3079504, 3849380, 6159008, 7698760, 12318016, 15397520, 24636032, 30795040, 61590080, 123180160]

約数ペア:

[(1, 123180160), (2, 61590080), (4, 30795040), (5, 24636032), (8, 15397520), (10, 12318016), (16, 7698760), (20, 6159008), (32, 3849380), (40, 3079504), (64, 1924690), (80, 1539752), (128, 962345), (160, 769876), (197, 625280), (320, 384938), (394, 312640), (640, 192469), (788, 156320), (977, 126080), (985, 125056), (1576, 78160), (1954, 63040), (1970, 62528), (3152, 39080), (3908, 31520), (3940, 31264), (4885, 25216), (6304, 19540), (7816, 15760), (7880, 15632), (9770, 12608)]