163371520

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4909}}^1$

素因数の和:4945

約数の個数: 80

約数和(自身を含む): 421926120

約数和(自身を除く): 258554600

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 512, 520, 640, 832, 1040, 1280, 1664, 2080, 2560, 3328, 4160, 4909, 6656, 8320, 9818, 16640, 19636, 24545, 33280, 39272, 49090, 63817, 78544, 98180, 127634, 157088, 196360, 255268, 314176, 319085, 392720, 510536, 628352, 638170, 785440, 1021072, 1256704, 1276340, 1570880, 2042144, 2513408, 2552680, 3141760, 4084288, 5105360, 6283520, 8168576, 10210720, 12567040, 16337152, 20421440, 32674304, 40842880, 81685760, 163371520]

約数ペア:

[(1, 163371520), (2, 81685760), (4, 40842880), (5, 32674304), (8, 20421440), (10, 16337152), (13, 12567040), (16, 10210720), (20, 8168576), (26, 6283520), (32, 5105360), (40, 4084288), (52, 3141760), (64, 2552680), (65, 2513408), (80, 2042144), (104, 1570880), (128, 1276340), (130, 1256704), (160, 1021072), (208, 785440), (256, 638170), (260, 628352), (320, 510536), (416, 392720), (512, 319085), (520, 314176), (640, 255268), (832, 196360), (1040, 157088), (1280, 127634), (1664, 98180), (2080, 78544), (2560, 63817), (3328, 49090), (4160, 39272), (4909, 33280), (6656, 24545), (8320, 19636), (9818, 16640)]