163207520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{145721}}^1$

素因数の和:145743

約数の個数: 48

約数和(自身を含む): 440663328

約数和(自身を除く): 277455808

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 145721, 291442, 582884, 728605, 1020047, 1165768, 1457210, 2040094, 2331536, 2914420, 4080188, 4663072, 5100235, 5828840, 8160376, 10200470, 11657680, 16320752, 20400940, 23315360, 32641504, 40801880, 81603760, 163207520]

約数ペア:

[(1, 163207520), (2, 81603760), (4, 40801880), (5, 32641504), (7, 23315360), (8, 20400940), (10, 16320752), (14, 11657680), (16, 10200470), (20, 8160376), (28, 5828840), (32, 5100235), (35, 4663072), (40, 4080188), (56, 2914420), (70, 2331536), (80, 2040094), (112, 1457210), (140, 1165768), (160, 1020047), (224, 728605), (280, 582884), (560, 291442), (1120, 145721)]