305434880

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^2\times {\mathrm{661}}^1$

素因数の和:720

約数の個数: 108

約数和(自身を含む): 773312652

約数和(自身を除く): 467877772

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 361, 380, 608, 640, 661, 722, 760, 1216, 1280, 1322, 1444, 1520, 1805, 2432, 2644, 2888, 3040, 3305, 3610, 4864, 5288, 5776, 6080, 6610, 7220, 10576, 11552, 12160, 12559, 13220, 14440, 21152, 23104, 24320, 25118, 26440, 28880, 42304, 46208, 50236, 52880, 57760, 62795, 84608, 92416, 100472, 105760, 115520, 125590, 169216, 200944, 211520, 231040, 238621, 251180, 401888, 423040, 462080, 477242, 502360, 803776, 846080, 954484, 1004720, 1193105, 1607552, 1908968, 2009440, 2386210, 3215104, 3817936, 4018880, 4772420, 7635872, 8037760, 9544840, 15271744, 16075520, 19089680, 30543488, 38179360, 61086976, 76358720, 152717440, 305434880]

約数ペア:

[(1, 305434880), (2, 152717440), (4, 76358720), (5, 61086976), (8, 38179360), (10, 30543488), (16, 19089680), (19, 16075520), (20, 15271744), (32, 9544840), (38, 8037760), (40, 7635872), (64, 4772420), (76, 4018880), (80, 3817936), (95, 3215104), (128, 2386210), (152, 2009440), (160, 1908968), (190, 1607552), (256, 1193105), (304, 1004720), (320, 954484), (361, 846080), (380, 803776), (608, 502360), (640, 477242), (661, 462080), (722, 423040), (760, 401888), (1216, 251180), (1280, 238621), (1322, 231040), (1444, 211520), (1520, 200944), (1805, 169216), (2432, 125590), (2644, 115520), (2888, 105760), (3040, 100472), (3305, 92416), (3610, 84608), (4864, 62795), (5288, 57760), (5776, 52880), (6080, 50236), (6610, 46208), (7220, 42304), (10576, 28880), (11552, 26440), (12160, 25118), (12559, 24320), (13220, 23104), (14440, 21152)]