81695280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{340397}}^1$

素因数の和:340413

約数の個数: 40

約数和(自身を含む): 253256112

約数和(自身を除く): 171560832

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 340397, 680794, 1021191, 1361588, 1701985, 2042382, 2723176, 3403970, 4084764, 5105955, 5446352, 6807940, 8169528, 10211910, 13615880, 16339056, 20423820, 27231760, 40847640, 81695280]

約数ペア:

[(1, 81695280), (2, 40847640), (3, 27231760), (4, 20423820), (5, 16339056), (6, 13615880), (8, 10211910), (10, 8169528), (12, 6807940), (15, 5446352), (16, 5105955), (20, 4084764), (24, 3403970), (30, 2723176), (40, 2042382), (48, 1701985), (60, 1361588), (80, 1021191), (120, 680794), (240, 340397)]