256654080

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{22279}}^1$

素因数の和:22306

約数の個数: 108

約数和(自身を含む): 888036240

約数和(自身を除く): 631382160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1920, 2304, 2880, 3840, 5760, 11520, 22279, 44558, 66837, 89116, 111395, 133674, 178232, 200511, 222790, 267348, 334185, 356464, 401022, 445580, 534696, 668370, 712928, 802044, 891160, 1002555, 1069392, 1336740, 1425856, 1604088, 1782320, 2005110, 2138784, 2673480, 2851712, 3208176, 3564640, 4010220, 4277568, 5346960, 5703424, 6416352, 7129280, 8020440, 8555136, 10693920, 12832704, 14258560, 16040880, 17110272, 21387840, 25665408, 28517120, 32081760, 42775680, 51330816, 64163520, 85551360, 128327040, 256654080]

約数ペア:

[(1, 256654080), (2, 128327040), (3, 85551360), (4, 64163520), (5, 51330816), (6, 42775680), (8, 32081760), (9, 28517120), (10, 25665408), (12, 21387840), (15, 17110272), (16, 16040880), (18, 14258560), (20, 12832704), (24, 10693920), (30, 8555136), (32, 8020440), (36, 7129280), (40, 6416352), (45, 5703424), (48, 5346960), (60, 4277568), (64, 4010220), (72, 3564640), (80, 3208176), (90, 2851712), (96, 2673480), (120, 2138784), (128, 2005110), (144, 1782320), (160, 1604088), (180, 1425856), (192, 1336740), (240, 1069392), (256, 1002555), (288, 891160), (320, 802044), (360, 712928), (384, 668370), (480, 534696), (576, 445580), (640, 401022), (720, 356464), (768, 334185), (960, 267348), (1152, 222790), (1280, 200511), (1440, 178232), (1920, 133674), (2304, 111395), (2880, 89116), (3840, 66837), (5760, 44558), (11520, 22279)]