30678560

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17431}}^1$

素因数の和:17457

約数の個数: 48

約数和(自身を含む): 79071552

約数和(自身を除く): 48392992

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 17431, 34862, 69724, 87155, 139448, 174310, 191741, 278896, 348620, 383482, 557792, 697240, 766964, 958705, 1394480, 1533928, 1917410, 2788960, 3067856, 3834820, 6135712, 7669640, 15339280, 30678560]

約数ペア:

[(1, 30678560), (2, 15339280), (4, 7669640), (5, 6135712), (8, 3834820), (10, 3067856), (11, 2788960), (16, 1917410), (20, 1533928), (22, 1394480), (32, 958705), (40, 766964), (44, 697240), (55, 557792), (80, 383482), (88, 348620), (110, 278896), (160, 191741), (176, 174310), (220, 139448), (352, 87155), (440, 69724), (880, 34862), (1760, 17431)]