78465840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{326941}}^1$

素因数の和:326957

約数の個数: 40

約数和(自身を含む): 243244848

約数和(自身を除く): 164779008

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 326941, 653882, 980823, 1307764, 1634705, 1961646, 2615528, 3269410, 3923292, 4904115, 5231056, 6538820, 7846584, 9808230, 13077640, 15693168, 19616460, 26155280, 39232920, 78465840]

約数ペア:

[(1, 78465840), (2, 39232920), (3, 26155280), (4, 19616460), (5, 15693168), (6, 13077640), (8, 9808230), (10, 7846584), (12, 6538820), (15, 5231056), (16, 4904115), (20, 3923292), (24, 3269410), (30, 2615528), (40, 1961646), (48, 1634705), (60, 1307764), (80, 980823), (120, 653882), (240, 326941)]