80145819

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1163}}^1$

素因数の和:1232

約数の個数: 48

約数和(自身を含む): 135582720

約数和(自身を除く): 55436901

約数列:

[1, 3, 9, 13, 19, 31, 39, 57, 93, 117, 171, 247, 279, 403, 589, 741, 1163, 1209, 1767, 2223, 3489, 3627, 5301, 7657, 10467, 15119, 22097, 22971, 36053, 45357, 66291, 68913, 108159, 136071, 198873, 287261, 324477, 468689, 685007, 861783, 1406067, 2055021, 2585349, 4218201, 6165063, 8905091, 26715273, 80145819]

約数ペア:

[(1, 80145819), (3, 26715273), (9, 8905091), (13, 6165063), (19, 4218201), (31, 2585349), (39, 2055021), (57, 1406067), (93, 861783), (117, 685007), (171, 468689), (247, 324477), (279, 287261), (403, 198873), (589, 136071), (741, 108159), (1163, 68913), (1209, 66291), (1767, 45357), (2223, 36053), (3489, 22971), (3627, 22097), (5301, 15119), (7657, 10467)]