156620680

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{126307}}^1$

素因数の和:126349

約数の個数: 32

約数和(自身を含む): 363767040

約数和(自身を除く): 207146360

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 126307, 252614, 505228, 631535, 1010456, 1263070, 2526140, 3915517, 5052280, 7831034, 15662068, 19577585, 31324136, 39155170, 78310340, 156620680]

約数ペア:

[(1, 156620680), (2, 78310340), (4, 39155170), (5, 31324136), (8, 19577585), (10, 15662068), (20, 7831034), (31, 5052280), (40, 3915517), (62, 2526140), (124, 1263070), (155, 1010456), (248, 631535), (310, 505228), (620, 252614), (1240, 126307)]