260378640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{361637}}^1$

素因数の和:361656

約数の個数: 60

約数和(自身を含む): 874440684

約数和(自身を除く): 614062044

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 361637, 723274, 1084911, 1446548, 1808185, 2169822, 2893096, 3254733, 3616370, 4339644, 5424555, 5786192, 6509466, 7232740, 8679288, 10849110, 13018932, 14465480, 16273665, 17358576, 21698220, 26037864, 28930960, 32547330, 43396440, 52075728, 65094660, 86792880, 130189320, 260378640]

約数ペア:

[(1, 260378640), (2, 130189320), (3, 86792880), (4, 65094660), (5, 52075728), (6, 43396440), (8, 32547330), (9, 28930960), (10, 26037864), (12, 21698220), (15, 17358576), (16, 16273665), (18, 14465480), (20, 13018932), (24, 10849110), (30, 8679288), (36, 7232740), (40, 6509466), (45, 5786192), (48, 5424555), (60, 4339644), (72, 3616370), (80, 3254733), (90, 2893096), (120, 2169822), (144, 1808185), (180, 1446548), (240, 1084911), (360, 723274), (720, 361637)]