154078720

素因数分解:

$2^9\times 5^1\times {\mathrm{139}}^1\times {\mathrm{433}}^1$

素因数の和:595

約数の個数: 80

約数和(自身を含む): 372944880

約数和(自身を除く): 218866160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 139, 160, 256, 278, 320, 433, 512, 556, 640, 695, 866, 1112, 1280, 1390, 1732, 2165, 2224, 2560, 2780, 3464, 4330, 4448, 5560, 6928, 8660, 8896, 11120, 13856, 17320, 17792, 22240, 27712, 34640, 35584, 44480, 55424, 60187, 69280, 71168, 88960, 110848, 120374, 138560, 177920, 221696, 240748, 277120, 300935, 355840, 481496, 554240, 601870, 962992, 1108480, 1203740, 1925984, 2407480, 3851968, 4814960, 7703936, 9629920, 15407872, 19259840, 30815744, 38519680, 77039360, 154078720]

約数ペア:

[(1, 154078720), (2, 77039360), (4, 38519680), (5, 30815744), (8, 19259840), (10, 15407872), (16, 9629920), (20, 7703936), (32, 4814960), (40, 3851968), (64, 2407480), (80, 1925984), (128, 1203740), (139, 1108480), (160, 962992), (256, 601870), (278, 554240), (320, 481496), (433, 355840), (512, 300935), (556, 277120), (640, 240748), (695, 221696), (866, 177920), (1112, 138560), (1280, 120374), (1390, 110848), (1732, 88960), (2165, 71168), (2224, 69280), (2560, 60187), (2780, 55424), (3464, 44480), (4330, 35584), (4448, 34640), (5560, 27712), (6928, 22240), (8660, 17792), (8896, 17320), (11120, 13856)]