156979760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{280321}}^1$

素因数の和:280341

約数の個数: 40

約数和(自身を含む): 417119136

約数和(自身を除く): 260139376

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 280321, 560642, 1121284, 1401605, 1962247, 2242568, 2803210, 3924494, 4485136, 5606420, 7848988, 9811235, 11212840, 15697976, 19622470, 22425680, 31395952, 39244940, 78489880, 156979760]

約数ペア:

[(1, 156979760), (2, 78489880), (4, 39244940), (5, 31395952), (7, 22425680), (8, 19622470), (10, 15697976), (14, 11212840), (16, 9811235), (20, 7848988), (28, 5606420), (35, 4485136), (40, 3924494), (56, 2803210), (70, 2242568), (80, 1962247), (112, 1401605), (140, 1121284), (280, 560642), (560, 280321)]