320595480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{890543}}^1$

素因数の和:890560

約数の個数: 48

約数和(自身を含む): 1041936480

約数和(自身を除く): 721341000

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, 890543, 1781086, 2671629, 3562172, 4452715, 5343258, 7124344, 8014887, 8905430, 10686516, 13358145, 16029774, 17810860, 21373032, 26716290, 32059548, 35621720, 40074435, 53432580, 64119096, 80148870, 106865160, 160297740, 320595480]

約数ペア:

[(1, 320595480), (2, 160297740), (3, 106865160), (4, 80148870), (5, 64119096), (6, 53432580), (8, 40074435), (9, 35621720), (10, 32059548), (12, 26716290), (15, 21373032), (18, 17810860), (20, 16029774), (24, 13358145), (30, 10686516), (36, 8905430), (40, 8014887), (45, 7124344), (60, 5343258), (72, 4452715), (90, 3562172), (120, 2671629), (180, 1781086), (360, 890543)]