78405480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{217793}}^1$

素因数の和:217810

約数の個数: 48

約数和(自身を含む): 254818980

約数和(自身を除く): 176413500

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 217793, 435586, 653379, 871172, 1088965, 1306758, 1742344, 1960137, 2177930, 2613516, 3266895, 3920274, 4355860, 5227032, 6533790, 7840548, 8711720, 9800685, 13067580, 15681096, 19601370, 26135160, 39202740, 78405480]

約数ペア:

[(1, 78405480), (2, 39202740), (3, 26135160), (4, 19601370), (5, 15681096), (6, 13067580), (8, 9800685), (9, 8711720), (10, 7840548), (12, 6533790), (15, 5227032), (18, 4355860), (20, 3920274), (24, 3266895), (30, 2613516), (36, 2177930), (40, 1960137), (45, 1742344), (60, 1306758), (72, 1088965), (90, 871172), (120, 653379), (180, 435586), (360, 217793)]