840302720

素因数分解:

$2^7\times 5^1\times {\mathrm{701}}^1\times {\mathrm{1873}}^1$

素因数の和:2593

約数の個数: 64

約数和(自身を含む): 2012788440

約数和(自身を除く): 1172485720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 701, 1402, 1873, 2804, 3505, 3746, 5608, 7010, 7492, 9365, 11216, 14020, 14984, 18730, 22432, 28040, 29968, 37460, 44864, 56080, 59936, 74920, 89728, 112160, 119872, 149840, 224320, 239744, 299680, 448640, 599360, 1198720, 1312973, 2625946, 5251892, 6564865, 10503784, 13129730, 21007568, 26259460, 42015136, 52518920, 84030272, 105037840, 168060544, 210075680, 420151360, 840302720]

約数ペア:

[(1, 840302720), (2, 420151360), (4, 210075680), (5, 168060544), (8, 105037840), (10, 84030272), (16, 52518920), (20, 42015136), (32, 26259460), (40, 21007568), (64, 13129730), (80, 10503784), (128, 6564865), (160, 5251892), (320, 2625946), (640, 1312973), (701, 1198720), (1402, 599360), (1873, 448640), (2804, 299680), (3505, 239744), (3746, 224320), (5608, 149840), (7010, 119872), (7492, 112160), (9365, 89728), (11216, 74920), (14020, 59936), (14984, 56080), (18730, 44864), (22432, 37460), (28040, 29968)]