261202480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{42403}}^1$

素因数の和:42434

約数の個数: 80

約数和(自身を含む): 757165824

約数和(自身を除く): 495963344

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1540, 3080, 6160, 42403, 84806, 169612, 212015, 296821, 339224, 424030, 466433, 593642, 678448, 848060, 932866, 1187284, 1484105, 1696120, 1865732, 2332165, 2374568, 2968210, 3265031, 3392240, 3731464, 4664330, 4749136, 5936420, 6530062, 7462928, 9328660, 11872840, 13060124, 16325155, 18657320, 23745680, 26120248, 32650310, 37314640, 52240496, 65300620, 130601240, 261202480]

約数ペア:

[(1, 261202480), (2, 130601240), (4, 65300620), (5, 52240496), (7, 37314640), (8, 32650310), (10, 26120248), (11, 23745680), (14, 18657320), (16, 16325155), (20, 13060124), (22, 11872840), (28, 9328660), (35, 7462928), (40, 6530062), (44, 5936420), (55, 4749136), (56, 4664330), (70, 3731464), (77, 3392240), (80, 3265031), (88, 2968210), (110, 2374568), (112, 2332165), (140, 1865732), (154, 1696120), (176, 1484105), (220, 1187284), (280, 932866), (308, 848060), (385, 678448), (440, 593642), (560, 466433), (616, 424030), (770, 339224), (880, 296821), (1232, 212015), (1540, 169612), (3080, 84806), (6160, 42403)]