180721684

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{2273}}^1$

素因数の和:2440

約数の個数: 48

約数和(自身を含む): 374391360

約数和(自身を除く): 193669676

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 139, 143, 278, 286, 556, 572, 1529, 1807, 2273, 3058, 3614, 4546, 6116, 7228, 9092, 19877, 25003, 29549, 39754, 50006, 59098, 79508, 100012, 118196, 315947, 325039, 631894, 650078, 1263788, 1300156, 3475417, 4107311, 6950834, 8214622, 13901668, 16429244, 45180421, 90360842, 180721684]

約数ペア:

[(1, 180721684), (2, 90360842), (4, 45180421), (11, 16429244), (13, 13901668), (22, 8214622), (26, 6950834), (44, 4107311), (52, 3475417), (139, 1300156), (143, 1263788), (278, 650078), (286, 631894), (556, 325039), (572, 315947), (1529, 118196), (1807, 100012), (2273, 79508), (3058, 59098), (3614, 50006), (4546, 39754), (6116, 29549), (7228, 25003), (9092, 19877)]