1520605840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{641}}^1\times {\mathrm{2281}}^1$

素因数の和:2948

約数の個数: 80

約数和(自身を含む): 3814974576

約数和(自身を除く): 2294368736

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 641, 1040, 1282, 2281, 2564, 3205, 4562, 5128, 6410, 8333, 9124, 10256, 11405, 12820, 16666, 18248, 22810, 25640, 29653, 33332, 36496, 41665, 45620, 51280, 59306, 66664, 83330, 91240, 118612, 133328, 148265, 166660, 182480, 237224, 296530, 333320, 474448, 593060, 666640, 1186120, 1462121, 2372240, 2924242, 5848484, 7310605, 11696968, 14621210, 19007573, 23393936, 29242420, 38015146, 58484840, 76030292, 95037865, 116969680, 152060584, 190075730, 304121168, 380151460, 760302920, 1520605840]

約数ペア:

[(1, 1520605840), (2, 760302920), (4, 380151460), (5, 304121168), (8, 190075730), (10, 152060584), (13, 116969680), (16, 95037865), (20, 76030292), (26, 58484840), (40, 38015146), (52, 29242420), (65, 23393936), (80, 19007573), (104, 14621210), (130, 11696968), (208, 7310605), (260, 5848484), (520, 2924242), (641, 2372240), (1040, 1462121), (1282, 1186120), (2281, 666640), (2564, 593060), (3205, 474448), (4562, 333320), (5128, 296530), (6410, 237224), (8333, 182480), (9124, 166660), (10256, 148265), (11405, 133328), (12820, 118612), (16666, 91240), (18248, 83330), (22810, 66664), (25640, 59306), (29653, 51280), (33332, 45620), (36496, 41665)]