620432640

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{53857}}^1$

素因数の和:53884

約数の個数: 108

約数和(自身を含む): 2146672164

約数和(自身を除く): 1526239524

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, 53857, 107714, 161571, 215428, 269285, 323142, 430856, 484713, 538570, 646284, 807855, 861712, 969426, 1077140, 1292568, 1615710, 1723424, 1938852, 2154280, 2423565, 2585136, 3231420, 3446848, 3877704, 4308560, 4847130, 5170272, 6462840, 6893696, 7755408, 8617120, 9694260, 10340544, 12925680, 13787392, 15510816, 17234240, 19388520, 20681088, 25851360, 31021632, 34468480, 38777040, 41362176, 51702720, 62043264, 68936960, 77554080, 103405440, 124086528, 155108160, 206810880, 310216320, 620432640]

約数ペア:

[(1, 620432640), (2, 310216320), (3, 206810880), (4, 155108160), (5, 124086528), (6, 103405440), (8, 77554080), (9, 68936960), (10, 62043264), (12, 51702720), (15, 41362176), (16, 38777040), (18, 34468480), (20, 31021632), (24, 25851360), (30, 20681088), (32, 19388520), (36, 17234240), (40, 15510816), (45, 13787392), (48, 12925680), (60, 10340544), (64, 9694260), (72, 8617120), (80, 7755408), (90, 6893696), (96, 6462840), (120, 5170272), (128, 4847130), (144, 4308560), (160, 3877704), (180, 3446848), (192, 3231420), (240, 2585136), (256, 2423565), (288, 2154280), (320, 1938852), (360, 1723424), (384, 1615710), (480, 1292568), (576, 1077140), (640, 969426), (720, 861712), (768, 807855), (960, 646284), (1152, 538570), (1280, 484713), (1440, 430856), (1920, 323142), (2304, 269285), (2880, 215428), (3840, 161571), (5760, 107714), (11520, 53857)]