1480640

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{661}}^1$

素因数の和:685

約数の個数: 56

約数和(自身を含む): 4035552

約数和(自身を除く): 2554912

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 661, 1120, 1322, 2240, 2644, 3305, 4627, 5288, 6610, 9254, 10576, 13220, 18508, 21152, 23135, 26440, 37016, 42304, 46270, 52880, 74032, 92540, 105760, 148064, 185080, 211520, 296128, 370160, 740320, 1480640]

約数ペア:

[(1, 1480640), (2, 740320), (4, 370160), (5, 296128), (7, 211520), (8, 185080), (10, 148064), (14, 105760), (16, 92540), (20, 74032), (28, 52880), (32, 46270), (35, 42304), (40, 37016), (56, 26440), (64, 23135), (70, 21152), (80, 18508), (112, 13220), (140, 10576), (160, 9254), (224, 6610), (280, 5288), (320, 4627), (448, 3305), (560, 2644), (661, 2240), (1120, 1322)]