130121820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{722899}}^1$

素因数の和:722914

約数の個数: 36

約数和(自身を含む): 394703400

約数和(自身を除く): 264581580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 722899, 1445798, 2168697, 2891596, 3614495, 4337394, 6506091, 7228990, 8674788, 10843485, 13012182, 14457980, 21686970, 26024364, 32530455, 43373940, 65060910, 130121820]

約数ペア:

[(1, 130121820), (2, 65060910), (3, 43373940), (4, 32530455), (5, 26024364), (6, 21686970), (9, 14457980), (10, 13012182), (12, 10843485), (15, 8674788), (18, 7228990), (20, 6506091), (30, 4337394), (36, 3614495), (45, 2891596), (60, 2168697), (90, 1445798), (180, 722899)]