243058360

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1\times {\mathrm{563}}^1$

素因数の和:868

約数の個数: 64

約数和(自身を含む): 562826880

約数和(自身を除く): 319768520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 251, 344, 430, 502, 563, 860, 1004, 1126, 1255, 1720, 2008, 2252, 2510, 2815, 4504, 5020, 5630, 10040, 10793, 11260, 21586, 22520, 24209, 43172, 48418, 53965, 86344, 96836, 107930, 121045, 141313, 193672, 215860, 242090, 282626, 431720, 484180, 565252, 706565, 968360, 1130504, 1413130, 2826260, 5652520, 6076459, 12152918, 24305836, 30382295, 48611672, 60764590, 121529180, 243058360]

約数ペア:

[(1, 243058360), (2, 121529180), (4, 60764590), (5, 48611672), (8, 30382295), (10, 24305836), (20, 12152918), (40, 6076459), (43, 5652520), (86, 2826260), (172, 1413130), (215, 1130504), (251, 968360), (344, 706565), (430, 565252), (502, 484180), (563, 431720), (860, 282626), (1004, 242090), (1126, 215860), (1255, 193672), (1720, 141313), (2008, 121045), (2252, 107930), (2510, 96836), (2815, 86344), (4504, 53965), (5020, 48418), (5630, 43172), (10040, 24209), (10793, 22520), (11260, 21586)]