77191440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{321631}}^1$

素因数の和:321647

約数の個数: 40

約数和(自身を含む): 239294208

約数和(自身を除く): 162102768

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 321631, 643262, 964893, 1286524, 1608155, 1929786, 2573048, 3216310, 3859572, 4824465, 5146096, 6432620, 7719144, 9648930, 12865240, 15438288, 19297860, 25730480, 38595720, 77191440]

約数ペア:

[(1, 77191440), (2, 38595720), (3, 25730480), (4, 19297860), (5, 15438288), (6, 12865240), (8, 9648930), (10, 7719144), (12, 6432620), (15, 5146096), (16, 4824465), (20, 3859572), (24, 3216310), (30, 2573048), (40, 1929786), (48, 1608155), (60, 1286524), (80, 964893), (120, 643262), (240, 321631)]