64440840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{537007}}^1$

素因数の和:537021

約数の個数: 32

約数和(自身を含む): 193322880

約数和(自身を除く): 128882040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 537007, 1074014, 1611021, 2148028, 2685035, 3222042, 4296056, 5370070, 6444084, 8055105, 10740140, 12888168, 16110210, 21480280, 32220420, 64440840]

約数ペア:

[(1, 64440840), (2, 32220420), (3, 21480280), (4, 16110210), (5, 12888168), (6, 10740140), (8, 8055105), (10, 6444084), (12, 5370070), (15, 4296056), (20, 3222042), (24, 2685035), (30, 2148028), (40, 1611021), (60, 1074014), (120, 537007)]