205743360

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{409}}^1$

素因数の和:564

約数の個数: 144

約数和(自身を含む): 663727680

約数和(自身を除く): 457984320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 131, 160, 192, 240, 256, 262, 320, 384, 393, 409, 480, 524, 640, 655, 768, 786, 818, 960, 1048, 1227, 1280, 1310, 1572, 1636, 1920, 1965, 2045, 2096, 2454, 2620, 3144, 3272, 3840, 3930, 4090, 4192, 4908, 5240, 6135, 6288, 6544, 7860, 8180, 8384, 9816, 10480, 12270, 12576, 13088, 15720, 16360, 16768, 19632, 20960, 24540, 25152, 26176, 31440, 32720, 33536, 39264, 41920, 49080, 50304, 52352, 53579, 62880, 65440, 78528, 83840, 98160, 100608, 104704, 107158, 125760, 130880, 157056, 160737, 167680, 196320, 214316, 251520, 261760, 267895, 314112, 321474, 392640, 428632, 503040, 523520, 535790, 642948, 785280, 803685, 857264, 1071580, 1285896, 1570560, 1607370, 1714528, 2143160, 2571792, 3214740, 3429056, 4286320, 5143584, 6429480, 6858112, 8572640, 10287168, 12858960, 13716224, 17145280, 20574336, 25717920, 34290560, 41148672, 51435840, 68581120, 102871680, 205743360]

約数ペア:

[(1, 205743360), (2, 102871680), (3, 68581120), (4, 51435840), (5, 41148672), (6, 34290560), (8, 25717920), (10, 20574336), (12, 17145280), (15, 13716224), (16, 12858960), (20, 10287168), (24, 8572640), (30, 6858112), (32, 6429480), (40, 5143584), (48, 4286320), (60, 3429056), (64, 3214740), (80, 2571792), (96, 2143160), (120, 1714528), (128, 1607370), (131, 1570560), (160, 1285896), (192, 1071580), (240, 857264), (256, 803685), (262, 785280), (320, 642948), (384, 535790), (393, 523520), (409, 503040), (480, 428632), (524, 392640), (640, 321474), (655, 314112), (768, 267895), (786, 261760), (818, 251520), (960, 214316), (1048, 196320), (1227, 167680), (1280, 160737), (1310, 157056), (1572, 130880), (1636, 125760), (1920, 107158), (1965, 104704), (2045, 100608), (2096, 98160), (2454, 83840), (2620, 78528), (3144, 65440), (3272, 62880), (3840, 53579), (3930, 52352), (4090, 50304), (4192, 49080), (4908, 41920), (5240, 39264), (6135, 33536), (6288, 32720), (6544, 31440), (7860, 26176), (8180, 25152), (8384, 24540), (9816, 20960), (10480, 19632), (12270, 16768), (12576, 16360), (13088, 15720)]