142722560

素因数分解:

$2^9\times 5^1\times {\mathrm{197}}^1\times {\mathrm{283}}^1$

素因数の和:503

約数の個数: 80

約数和(自身を含む): 345152016

約数和(自身を除く): 202429456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 197, 256, 283, 320, 394, 512, 566, 640, 788, 985, 1132, 1280, 1415, 1576, 1970, 2264, 2560, 2830, 3152, 3940, 4528, 5660, 6304, 7880, 9056, 11320, 12608, 15760, 18112, 22640, 25216, 31520, 36224, 45280, 50432, 55751, 63040, 72448, 90560, 100864, 111502, 126080, 144896, 181120, 223004, 252160, 278755, 362240, 446008, 504320, 557510, 724480, 892016, 1115020, 1784032, 2230040, 3568064, 4460080, 7136128, 8920160, 14272256, 17840320, 28544512, 35680640, 71361280, 142722560]

約数ペア:

[(1, 142722560), (2, 71361280), (4, 35680640), (5, 28544512), (8, 17840320), (10, 14272256), (16, 8920160), (20, 7136128), (32, 4460080), (40, 3568064), (64, 2230040), (80, 1784032), (128, 1115020), (160, 892016), (197, 724480), (256, 557510), (283, 504320), (320, 446008), (394, 362240), (512, 278755), (566, 252160), (640, 223004), (788, 181120), (985, 144896), (1132, 126080), (1280, 111502), (1415, 100864), (1576, 90560), (1970, 72448), (2264, 63040), (2560, 55751), (2830, 50432), (3152, 45280), (3940, 36224), (4528, 31520), (5660, 25216), (6304, 22640), (7880, 18112), (9056, 15760), (11320, 12608)]