80708640

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{168143}}^1$

素因数の和:168161

約数の個数: 48

約数和(自身を含む): 254233728

約数和(自身を除く): 173525088

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 168143, 336286, 504429, 672572, 840715, 1008858, 1345144, 1681430, 2017716, 2522145, 2690288, 3362860, 4035432, 5044290, 5380576, 6725720, 8070864, 10088580, 13451440, 16141728, 20177160, 26902880, 40354320, 80708640]

約数ペア:

[(1, 80708640), (2, 40354320), (3, 26902880), (4, 20177160), (5, 16141728), (6, 13451440), (8, 10088580), (10, 8070864), (12, 6725720), (15, 5380576), (16, 5044290), (20, 4035432), (24, 3362860), (30, 2690288), (32, 2522145), (40, 2017716), (48, 1681430), (60, 1345144), (80, 1008858), (96, 840715), (120, 672572), (160, 504429), (240, 336286), (480, 168143)]