247875840

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{21517}}^1$

素因数の和:21544

約数の個数: 108

約数和(自身を含む): 857664444

約数和(自身を除く): 609788604

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, 21517, 43034, 64551, 86068, 107585, 129102, 172136, 193653, 215170, 258204, 322755, 344272, 387306, 430340, 516408, 645510, 688544, 774612, 860680, 968265, 1032816, 1291020, 1377088, 1549224, 1721360, 1936530, 2065632, 2582040, 2754176, 3098448, 3442720, 3873060, 4131264, 5164080, 5508352, 6196896, 6885440, 7746120, 8262528, 10328160, 12393792, 13770880, 15492240, 16525056, 20656320, 24787584, 27541760, 30984480, 41312640, 49575168, 61968960, 82625280, 123937920, 247875840]

約数ペア:

[(1, 247875840), (2, 123937920), (3, 82625280), (4, 61968960), (5, 49575168), (6, 41312640), (8, 30984480), (9, 27541760), (10, 24787584), (12, 20656320), (15, 16525056), (16, 15492240), (18, 13770880), (20, 12393792), (24, 10328160), (30, 8262528), (32, 7746120), (36, 6885440), (40, 6196896), (45, 5508352), (48, 5164080), (60, 4131264), (64, 3873060), (72, 3442720), (80, 3098448), (90, 2754176), (96, 2582040), (120, 2065632), (128, 1936530), (144, 1721360), (160, 1549224), (180, 1377088), (192, 1291020), (240, 1032816), (256, 968265), (288, 860680), (320, 774612), (360, 688544), (384, 645510), (480, 516408), (576, 430340), (640, 387306), (720, 344272), (768, 322755), (960, 258204), (1152, 215170), (1280, 193653), (1440, 172136), (1920, 129102), (2304, 107585), (2880, 86068), (3840, 64551), (5760, 43034), (11520, 21517)]