151287320

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{62003}}^1$

素因数の和:62075

約数の個数: 32

約数和(自身を含む): 345982320

約数和(自身を除く): 194695000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 62003, 124006, 248012, 310015, 496024, 620030, 1240060, 2480120, 3782183, 7564366, 15128732, 18910915, 30257464, 37821830, 75643660, 151287320]

約数ペア:

[(1, 151287320), (2, 75643660), (4, 37821830), (5, 30257464), (8, 18910915), (10, 15128732), (20, 7564366), (40, 3782183), (61, 2480120), (122, 1240060), (244, 620030), (305, 496024), (488, 310015), (610, 248012), (1220, 124006), (2440, 62003)]