160985825

素因数分解:

$5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{919}}^1$

素因数の和:967

約数の個数: 72

約数和(自身を含む): 273107520

約数和(自身を除く): 112121695

約数列:

[1, 5, 7, 11, 13, 25, 35, 49, 55, 65, 77, 91, 143, 175, 245, 275, 325, 385, 455, 539, 637, 715, 919, 1001, 1225, 1925, 2275, 2695, 3185, 3575, 4595, 5005, 6433, 7007, 10109, 11947, 13475, 15925, 22975, 25025, 32165, 35035, 45031, 50545, 59735, 70763, 83629, 131417, 160825, 175175, 225155, 252725, 298675, 353815, 418145, 495341, 585403, 657085, 919919, 1125775, 1769075, 2090725, 2476705, 2927015, 3285425, 4599595, 6439433, 12383525, 14635075, 22997975, 32197165, 160985825]

約数ペア:

[(1, 160985825), (5, 32197165), (7, 22997975), (11, 14635075), (13, 12383525), (25, 6439433), (35, 4599595), (49, 3285425), (55, 2927015), (65, 2476705), (77, 2090725), (91, 1769075), (143, 1125775), (175, 919919), (245, 657085), (275, 585403), (325, 495341), (385, 418145), (455, 353815), (539, 298675), (637, 252725), (715, 225155), (919, 175175), (1001, 160825), (1225, 131417), (1925, 83629), (2275, 70763), (2695, 59735), (3185, 50545), (3575, 45031), (4595, 35035), (5005, 32165), (6433, 25025), (7007, 22975), (10109, 15925), (11947, 13475)]