81282900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{6301}}^1$

素因数の和:6361

約数の個数: 72

約数和(自身を含む): 240685984

約数和(自身を除く): 159403084

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 43, 50, 60, 75, 86, 100, 129, 150, 172, 215, 258, 300, 430, 516, 645, 860, 1075, 1290, 2150, 2580, 3225, 4300, 6301, 6450, 12602, 12900, 18903, 25204, 31505, 37806, 63010, 75612, 94515, 126020, 157525, 189030, 270943, 315050, 378060, 472575, 541886, 630100, 812829, 945150, 1083772, 1354715, 1625658, 1890300, 2709430, 3251316, 4064145, 5418860, 6773575, 8128290, 13547150, 16256580, 20320725, 27094300, 40641450, 81282900]

約数ペア:

[(1, 81282900), (2, 40641450), (3, 27094300), (4, 20320725), (5, 16256580), (6, 13547150), (10, 8128290), (12, 6773575), (15, 5418860), (20, 4064145), (25, 3251316), (30, 2709430), (43, 1890300), (50, 1625658), (60, 1354715), (75, 1083772), (86, 945150), (100, 812829), (129, 630100), (150, 541886), (172, 472575), (215, 378060), (258, 315050), (300, 270943), (430, 189030), (516, 157525), (645, 126020), (860, 94515), (1075, 75612), (1290, 63010), (2150, 37806), (2580, 31505), (3225, 25204), (4300, 18903), (6301, 12900), (6450, 12602)]