168571520

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20261}}^1$

素因数の和:20293

約数の個数: 64

約数和(自身を含む): 434012040

約数和(自身を除く): 265440520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 4160, 8320, 20261, 40522, 81044, 101305, 162088, 202610, 263393, 324176, 405220, 526786, 648352, 810440, 1053572, 1296704, 1316965, 1620880, 2107144, 2593408, 2633930, 3241760, 4214288, 5267860, 6483520, 8428576, 10535720, 12967040, 16857152, 21071440, 33714304, 42142880, 84285760, 168571520]

約数ペア:

[(1, 168571520), (2, 84285760), (4, 42142880), (5, 33714304), (8, 21071440), (10, 16857152), (13, 12967040), (16, 10535720), (20, 8428576), (26, 6483520), (32, 5267860), (40, 4214288), (52, 3241760), (64, 2633930), (65, 2593408), (80, 2107144), (104, 1620880), (128, 1316965), (130, 1296704), (160, 1053572), (208, 810440), (260, 648352), (320, 526786), (416, 405220), (520, 324176), (640, 263393), (832, 202610), (1040, 162088), (1664, 101305), (2080, 81044), (4160, 40522), (8320, 20261)]