64298240

素因数分解:

$2^8\times 5^1\times {\mathrm{191}}^1\times {\mathrm{263}}^1$

素因数の和:475

約数の個数: 72

約数和(自身を含む): 155409408

約数和(自身を除く): 91111168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 191, 256, 263, 320, 382, 526, 640, 764, 955, 1052, 1280, 1315, 1528, 1910, 2104, 2630, 3056, 3820, 4208, 5260, 6112, 7640, 8416, 10520, 12224, 15280, 16832, 21040, 24448, 30560, 33664, 42080, 48896, 50233, 61120, 67328, 84160, 100466, 122240, 168320, 200932, 244480, 251165, 336640, 401864, 502330, 803728, 1004660, 1607456, 2009320, 3214912, 4018640, 6429824, 8037280, 12859648, 16074560, 32149120, 64298240]

約数ペア:

[(1, 64298240), (2, 32149120), (4, 16074560), (5, 12859648), (8, 8037280), (10, 6429824), (16, 4018640), (20, 3214912), (32, 2009320), (40, 1607456), (64, 1004660), (80, 803728), (128, 502330), (160, 401864), (191, 336640), (256, 251165), (263, 244480), (320, 200932), (382, 168320), (526, 122240), (640, 100466), (764, 84160), (955, 67328), (1052, 61120), (1280, 50233), (1315, 48896), (1528, 42080), (1910, 33664), (2104, 30560), (2630, 24448), (3056, 21040), (3820, 16832), (4208, 15280), (5260, 12224), (6112, 10520), (7640, 8416)]