213218640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{296137}}^1$

素因数の和:296156

約数の個数: 60

約数和(自身を含む): 716061684

約数和(自身を除く): 502843044

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, 296137, 592274, 888411, 1184548, 1480685, 1776822, 2369096, 2665233, 2961370, 3553644, 4442055, 4738192, 5330466, 5922740, 7107288, 8884110, 10660932, 11845480, 13326165, 14214576, 17768220, 21321864, 23690960, 26652330, 35536440, 42643728, 53304660, 71072880, 106609320, 213218640]

約数ペア:

[(1, 213218640), (2, 106609320), (3, 71072880), (4, 53304660), (5, 42643728), (6, 35536440), (8, 26652330), (9, 23690960), (10, 21321864), (12, 17768220), (15, 14214576), (16, 13326165), (18, 11845480), (20, 10660932), (24, 8884110), (30, 7107288), (36, 5922740), (40, 5330466), (45, 4738192), (48, 4442055), (60, 3553644), (72, 2961370), (80, 2665233), (90, 2369096), (120, 1776822), (144, 1480685), (180, 1184548), (240, 888411), (360, 592274), (720, 296137)]