161506240

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{72101}}^1$

素因数の和:72125

約数の個数: 56

約数和(自身を含む): 439533792

約数和(自身を除く): 278027552

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 72101, 144202, 288404, 360505, 504707, 576808, 721010, 1009414, 1153616, 1442020, 2018828, 2307232, 2523535, 2884040, 4037656, 4614464, 5047070, 5768080, 8075312, 10094140, 11536160, 16150624, 20188280, 23072320, 32301248, 40376560, 80753120, 161506240]

約数ペア:

[(1, 161506240), (2, 80753120), (4, 40376560), (5, 32301248), (7, 23072320), (8, 20188280), (10, 16150624), (14, 11536160), (16, 10094140), (20, 8075312), (28, 5768080), (32, 5047070), (35, 4614464), (40, 4037656), (56, 2884040), (64, 2523535), (70, 2307232), (80, 2018828), (112, 1442020), (140, 1153616), (160, 1009414), (224, 721010), (280, 576808), (320, 504707), (448, 360505), (560, 288404), (1120, 144202), (2240, 72101)]