20161597260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{661}}^1\times {\mathrm{72623}}^1$

素因数の和:73303

約数の個数: 96

約数和(自身を含む): 64615606272

約数和(自身を除く): 44454009012

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 661, 1322, 1983, 2644, 3305, 3966, 4627, 6610, 7932, 9254, 9915, 13220, 13881, 18508, 19830, 23135, 27762, 39660, 46270, 55524, 69405, 72623, 92540, 138810, 145246, 217869, 277620, 290492, 363115, 435738, 508361, 726230, 871476, 1016722, 1089345, 1452460, 1525083, 2033444, 2178690, 2541805, 3050166, 4357380, 5083610, 6100332, 7625415, 10167220, 15250830, 30501660, 48003803, 96007606, 144011409, 192015212, 240019015, 288022818, 336026621, 480038030, 576045636, 672053242, 720057045, 960076060, 1008079863, 1344106484, 1440114090, 1680133105, 2016159726, 2880228180, 3360266210, 4032319452, 5040399315, 6720532420, 10080798630, 20161597260]

約数ペア:

[(1, 20161597260), (2, 10080798630), (3, 6720532420), (4, 5040399315), (5, 4032319452), (6, 3360266210), (7, 2880228180), (10, 2016159726), (12, 1680133105), (14, 1440114090), (15, 1344106484), (20, 1008079863), (21, 960076060), (28, 720057045), (30, 672053242), (35, 576045636), (42, 480038030), (60, 336026621), (70, 288022818), (84, 240019015), (105, 192015212), (140, 144011409), (210, 96007606), (420, 48003803), (661, 30501660), (1322, 15250830), (1983, 10167220), (2644, 7625415), (3305, 6100332), (3966, 5083610), (4627, 4357380), (6610, 3050166), (7932, 2541805), (9254, 2178690), (9915, 2033444), (13220, 1525083), (13881, 1452460), (18508, 1089345), (19830, 1016722), (23135, 871476), (27762, 726230), (39660, 508361), (46270, 435738), (55524, 363115), (69405, 290492), (72623, 277620), (92540, 217869), (138810, 145246)]