121519360

素因数分解:

$2^8\times 5^1\times {\mathrm{139}}^1\times {\mathrm{683}}^1$

素因数の和:843

約数の個数: 72

約数和(自身を含む): 293600160

約数和(自身を除く): 172080800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 139, 160, 256, 278, 320, 556, 640, 683, 695, 1112, 1280, 1366, 1390, 2224, 2732, 2780, 3415, 4448, 5464, 5560, 6830, 8896, 10928, 11120, 13660, 17792, 21856, 22240, 27320, 35584, 43712, 44480, 54640, 87424, 88960, 94937, 109280, 174848, 177920, 189874, 218560, 379748, 437120, 474685, 759496, 874240, 949370, 1518992, 1898740, 3037984, 3797480, 6075968, 7594960, 12151936, 15189920, 24303872, 30379840, 60759680, 121519360]

約数ペア:

[(1, 121519360), (2, 60759680), (4, 30379840), (5, 24303872), (8, 15189920), (10, 12151936), (16, 7594960), (20, 6075968), (32, 3797480), (40, 3037984), (64, 1898740), (80, 1518992), (128, 949370), (139, 874240), (160, 759496), (256, 474685), (278, 437120), (320, 379748), (556, 218560), (640, 189874), (683, 177920), (695, 174848), (1112, 109280), (1280, 94937), (1366, 88960), (1390, 87424), (2224, 54640), (2732, 44480), (2780, 43712), (3415, 35584), (4448, 27320), (5464, 22240), (5560, 21856), (6830, 17792), (8896, 13660), (10928, 11120)]