161096960

素因数分解:

$2^8\times 5^1\times {\mathrm{127}}^1\times {\mathrm{991}}^1$

素因数の和:1139

約数の個数: 72

約数和(自身を含む): 389308416

約数和(自身を除く): 228211456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 256, 320, 508, 635, 640, 991, 1016, 1270, 1280, 1982, 2032, 2540, 3964, 4064, 4955, 5080, 7928, 8128, 9910, 10160, 15856, 16256, 19820, 20320, 31712, 32512, 39640, 40640, 63424, 79280, 81280, 125857, 126848, 158560, 162560, 251714, 253696, 317120, 503428, 629285, 634240, 1006856, 1258570, 1268480, 2013712, 2517140, 4027424, 5034280, 8054848, 10068560, 16109696, 20137120, 32219392, 40274240, 80548480, 161096960]

約数ペア:

[(1, 161096960), (2, 80548480), (4, 40274240), (5, 32219392), (8, 20137120), (10, 16109696), (16, 10068560), (20, 8054848), (32, 5034280), (40, 4027424), (64, 2517140), (80, 2013712), (127, 1268480), (128, 1258570), (160, 1006856), (254, 634240), (256, 629285), (320, 503428), (508, 317120), (635, 253696), (640, 251714), (991, 162560), (1016, 158560), (1270, 126848), (1280, 125857), (1982, 81280), (2032, 79280), (2540, 63424), (3964, 40640), (4064, 39640), (4955, 32512), (5080, 31712), (7928, 20320), (8128, 19820), (9910, 16256), (10160, 15856)]