80863475

素因数分解:

$5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{353}}^1$

素因数の和:405

約数の個数: 72

約数和(自身を含む): 135111888

約数和(自身を除く): 54248413

約数列:

[1, 5, 7, 11, 17, 25, 35, 49, 55, 77, 85, 119, 175, 187, 245, 275, 353, 385, 425, 539, 595, 833, 935, 1225, 1309, 1765, 1925, 2471, 2695, 2975, 3883, 4165, 4675, 6001, 6545, 8825, 9163, 12355, 13475, 17297, 19415, 20825, 27181, 30005, 32725, 42007, 45815, 61775, 66011, 86485, 97075, 135905, 150025, 190267, 210035, 229075, 294049, 330055, 432425, 462077, 679525, 951335, 1050175, 1470245, 1650275, 2310385, 3234539, 4756675, 7351225, 11551925, 16172695, 80863475]

約数ペア:

[(1, 80863475), (5, 16172695), (7, 11551925), (11, 7351225), (17, 4756675), (25, 3234539), (35, 2310385), (49, 1650275), (55, 1470245), (77, 1050175), (85, 951335), (119, 679525), (175, 462077), (187, 432425), (245, 330055), (275, 294049), (353, 229075), (385, 210035), (425, 190267), (539, 150025), (595, 135905), (833, 97075), (935, 86485), (1225, 66011), (1309, 61775), (1765, 45815), (1925, 42007), (2471, 32725), (2695, 30005), (2975, 27181), (3883, 20825), (4165, 19415), (4675, 17297), (6001, 13475), (6545, 12355), (8825, 9163)]