163802560

素因数分解:

$2^6\times 5^1\times {\mathrm{557}}^1\times {\mathrm{919}}^1$

素因数の和:1493

約数の個数: 56

約数和(自身を含む): 391180320

約数和(自身を除く): 227377760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 557, 919, 1114, 1838, 2228, 2785, 3676, 4456, 4595, 5570, 7352, 8912, 9190, 11140, 14704, 17824, 18380, 22280, 29408, 35648, 36760, 44560, 58816, 73520, 89120, 147040, 178240, 294080, 511883, 1023766, 2047532, 2559415, 4095064, 5118830, 8190128, 10237660, 16380256, 20475320, 32760512, 40950640, 81901280, 163802560]

約数ペア:

[(1, 163802560), (2, 81901280), (4, 40950640), (5, 32760512), (8, 20475320), (10, 16380256), (16, 10237660), (20, 8190128), (32, 5118830), (40, 4095064), (64, 2559415), (80, 2047532), (160, 1023766), (320, 511883), (557, 294080), (919, 178240), (1114, 147040), (1838, 89120), (2228, 73520), (2785, 58816), (3676, 44560), (4456, 36760), (4595, 35648), (5570, 29408), (7352, 22280), (8912, 18380), (9190, 17824), (11140, 14704)]