123056320

素因数分解:

$2^6\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1609}}^1$

素因数の和:1865

約数の個数: 56

約数和(自身を含む): 294436800

約数和(自身を除く): 171380480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 239, 320, 478, 956, 1195, 1609, 1912, 2390, 3218, 3824, 4780, 6436, 7648, 8045, 9560, 12872, 15296, 16090, 19120, 25744, 32180, 38240, 51488, 64360, 76480, 102976, 128720, 257440, 384551, 514880, 769102, 1538204, 1922755, 3076408, 3845510, 6152816, 7691020, 12305632, 15382040, 24611264, 30764080, 61528160, 123056320]

約数ペア:

[(1, 123056320), (2, 61528160), (4, 30764080), (5, 24611264), (8, 15382040), (10, 12305632), (16, 7691020), (20, 6152816), (32, 3845510), (40, 3076408), (64, 1922755), (80, 1538204), (160, 769102), (239, 514880), (320, 384551), (478, 257440), (956, 128720), (1195, 102976), (1609, 76480), (1912, 64360), (2390, 51488), (3218, 38240), (3824, 32180), (4780, 25744), (6436, 19120), (7648, 16090), (8045, 15296), (9560, 12872)]