1340378640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{1861637}}^1$

素因数の和:1861656

約数の個数: 60

約数和(自身を含む): 4501440684

約数和(自身を除く): 3161062044

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, 1861637, 3723274, 5584911, 7446548, 9308185, 11169822, 14893096, 16754733, 18616370, 22339644, 27924555, 29786192, 33509466, 37232740, 44679288, 55849110, 67018932, 74465480, 83773665, 89358576, 111698220, 134037864, 148930960, 167547330, 223396440, 268075728, 335094660, 446792880, 670189320, 1340378640]

約数ペア:

[(1, 1340378640), (2, 670189320), (3, 446792880), (4, 335094660), (5, 268075728), (6, 223396440), (8, 167547330), (9, 148930960), (10, 134037864), (12, 111698220), (15, 89358576), (16, 83773665), (18, 74465480), (20, 67018932), (24, 55849110), (30, 44679288), (36, 37232740), (40, 33509466), (45, 29786192), (48, 27924555), (60, 22339644), (72, 18616370), (80, 16754733), (90, 14893096), (120, 11169822), (144, 9308185), (180, 7446548), (240, 5584911), (360, 3723274), (720, 1861637)]