66914560

素因数分解:

$2^8\times 5^1\times {\mathrm{61}}^1\times {\mathrm{857}}^1$

素因数の和:939

約数の個数: 72

約数和(自身を含む): 163098936

約数和(自身を除く): 96184376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 256, 305, 320, 488, 610, 640, 857, 976, 1220, 1280, 1714, 1952, 2440, 3428, 3904, 4285, 4880, 6856, 7808, 8570, 9760, 13712, 15616, 17140, 19520, 27424, 34280, 39040, 52277, 54848, 68560, 78080, 104554, 109696, 137120, 209108, 219392, 261385, 274240, 418216, 522770, 548480, 836432, 1045540, 1096960, 1672864, 2091080, 3345728, 4182160, 6691456, 8364320, 13382912, 16728640, 33457280, 66914560]

約数ペア:

[(1, 66914560), (2, 33457280), (4, 16728640), (5, 13382912), (8, 8364320), (10, 6691456), (16, 4182160), (20, 3345728), (32, 2091080), (40, 1672864), (61, 1096960), (64, 1045540), (80, 836432), (122, 548480), (128, 522770), (160, 418216), (244, 274240), (256, 261385), (305, 219392), (320, 209108), (488, 137120), (610, 109696), (640, 104554), (857, 78080), (976, 68560), (1220, 54848), (1280, 52277), (1714, 39040), (1952, 34280), (2440, 27424), (3428, 19520), (3904, 17140), (4285, 15616), (4880, 13712), (6856, 9760), (7808, 8570)]