123402560

素因数分解:

$2^6\times 5^1\times {\mathrm{271}}^1\times {\mathrm{1423}}^1$

素因数の和:1711

約数の個数: 56

約数和(自身を含む): 295143936

約数和(自身を除く): 171741376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 271, 320, 542, 1084, 1355, 1423, 2168, 2710, 2846, 4336, 5420, 5692, 7115, 8672, 10840, 11384, 14230, 17344, 21680, 22768, 28460, 43360, 45536, 56920, 86720, 91072, 113840, 227680, 385633, 455360, 771266, 1542532, 1928165, 3085064, 3856330, 6170128, 7712660, 12340256, 15425320, 24680512, 30850640, 61701280, 123402560]

約数ペア:

[(1, 123402560), (2, 61701280), (4, 30850640), (5, 24680512), (8, 15425320), (10, 12340256), (16, 7712660), (20, 6170128), (32, 3856330), (40, 3085064), (64, 1928165), (80, 1542532), (160, 771266), (271, 455360), (320, 385633), (542, 227680), (1084, 113840), (1355, 91072), (1423, 86720), (2168, 56920), (2710, 45536), (2846, 43360), (4336, 28460), (5420, 22768), (5692, 21680), (7115, 17344), (8672, 14230), (10840, 11384)]