77688120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{647401}}^1$

素因数の和:647415

約数の個数: 32

約数和(自身を含む): 233064720

約数和(自身を除く): 155376600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 647401, 1294802, 1942203, 2589604, 3237005, 3884406, 5179208, 6474010, 7768812, 9711015, 12948020, 15537624, 19422030, 25896040, 38844060, 77688120]

約数ペア:

[(1, 77688120), (2, 38844060), (3, 25896040), (4, 19422030), (5, 15537624), (6, 12948020), (8, 9711015), (10, 7768812), (12, 6474010), (15, 5179208), (20, 3884406), (24, 3237005), (30, 2589604), (40, 1942203), (60, 1294802), (120, 647401)]