18691801680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{77882507}}^1$

素因数の和:77882523

約数の個数: 40

約数和(自身を含む): 57944585952

約数和(自身を除く): 39252784272

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 77882507, 155765014, 233647521, 311530028, 389412535, 467295042, 623060056, 778825070, 934590084, 1168237605, 1246120112, 1557650140, 1869180168, 2336475210, 3115300280, 3738360336, 4672950420, 6230600560, 9345900840, 18691801680]

約数ペア:

[(1, 18691801680), (2, 9345900840), (3, 6230600560), (4, 4672950420), (5, 3738360336), (6, 3115300280), (8, 2336475210), (10, 1869180168), (12, 1557650140), (15, 1246120112), (16, 1168237605), (20, 934590084), (24, 778825070), (30, 623060056), (40, 467295042), (48, 389412535), (60, 311530028), (80, 233647521), (120, 155765014), (240, 77882507)]