1298016840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{431}}^1\times {\mathrm{25097}}^1$

素因数の和:25542

約数の個数: 64

約数和(自身を含む): 3903240960

約数和(自身を除く): 2605224120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 431, 862, 1293, 1724, 2155, 2586, 3448, 4310, 5172, 6465, 8620, 10344, 12930, 17240, 25097, 25860, 50194, 51720, 75291, 100388, 125485, 150582, 200776, 250970, 301164, 376455, 501940, 602328, 752910, 1003880, 1505820, 3011640, 10816807, 21633614, 32450421, 43267228, 54084035, 64900842, 86534456, 108168070, 129801684, 162252105, 216336140, 259603368, 324504210, 432672280, 649008420, 1298016840]

約数ペア:

[(1, 1298016840), (2, 649008420), (3, 432672280), (4, 324504210), (5, 259603368), (6, 216336140), (8, 162252105), (10, 129801684), (12, 108168070), (15, 86534456), (20, 64900842), (24, 54084035), (30, 43267228), (40, 32450421), (60, 21633614), (120, 10816807), (431, 3011640), (862, 1505820), (1293, 1003880), (1724, 752910), (2155, 602328), (2586, 501940), (3448, 376455), (4310, 301164), (5172, 250970), (6465, 200776), (8620, 150582), (10344, 125485), (12930, 100388), (17240, 75291), (25097, 51720), (25860, 50194)]