123480784

素因数分解:

$2^4\times 7^2\times {\mathrm{239}}^1\times {\mathrm{659}}^1$

素因数の和:920

約数の個数: 60

約数和(自身を含む): 279892800

約数和(自身を除く): 156412016

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 239, 392, 478, 659, 784, 956, 1318, 1673, 1912, 2636, 3346, 3824, 4613, 5272, 6692, 9226, 10544, 11711, 13384, 18452, 23422, 26768, 32291, 36904, 46844, 64582, 73808, 93688, 129164, 157501, 187376, 258328, 315002, 516656, 630004, 1102507, 1260008, 2205014, 2520016, 4410028, 7717549, 8820056, 15435098, 17640112, 30870196, 61740392, 123480784]

約数ペア:

[(1, 123480784), (2, 61740392), (4, 30870196), (7, 17640112), (8, 15435098), (14, 8820056), (16, 7717549), (28, 4410028), (49, 2520016), (56, 2205014), (98, 1260008), (112, 1102507), (196, 630004), (239, 516656), (392, 315002), (478, 258328), (659, 187376), (784, 157501), (956, 129164), (1318, 93688), (1673, 73808), (1912, 64582), (2636, 46844), (3346, 36904), (3824, 32291), (4613, 26768), (5272, 23422), (6692, 18452), (9226, 13384), (10544, 11711)]